Sprint HTC Evo 4G Supersonic... LOOKING FOR WIFI CHIP - Hardware Hacking General

Alright long story short I need the wifi chip taken out. Basically I need to make sure the wifi is unusable. Not for fraud or whatever. It's for a menonite community and they can't have camera or Internet.

magicriggs said:
Alright long story short I need the wifi chip taken out. Basically I need to make sure the wifi is unusable. Not for fraud or whatever. It's for a menonite community and they can't have camera or Internet.
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I'm pretty the chipset in the phone is an SoC, which means it's all in one. You can't just specifically remove the Wifi chip because it's integrated with the rest of the phone.

Related

Apple should be scared

http://www.businessweek.com/news/20...reviews-of-its-first-wimax-network-phone.html
I just read this and it made me laugh. Just thought I would share
why should apple be scared? they make cellphones, if its a problem to them (which i doubt because apple has dedicated fans who use thier ****ware anyway) then they will make a CDMA version of thier phone and be done with it. The only people who should be afraid is T-mobile and ATT. Apple is just a cell phone provider who is making money regardless of what 4g does.
Powers16 said:
why should apple be scared? they make cellphones, if its a problem to them (which i doubt because apple has dedicated fans who use thier ****ware anyway) then they will make a CDMA version of thier phone and be done with it. The only people who should be afraid is T-mobile and ATT. Apple is just a cell phone provider who is making money regardless of what 4g does.
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Lets just say that things I have heard.....that might happen for sprint and likely for verizon.
apple should not make cellphones. keep on making em macs and make em better. don't bring your proprietary exclusiveness to cellphones to make them "unique"... as far as i know the ipad doesn't have flash and the iphone still has a 3mp camera... HTC all the way.open source! android babaaay! Down with apple unless we start getting viruses on our handsets...
i have a mac but i can never get an iphone because they suck
i am just amazed with android because of all the stuff you can do with it.
and sprint and htc have some nice phones coming out this summer so its gonna be awesome
dmitriandsnow said:
Down with apple unless we start getting viruses on our handsets...
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Viruses? My friend we are running linux.
Now when someone finds a way to boot BackTrack distro on an android phone we might need to be a little concerned...
I think it's ironic that the same forces that compelled people to choose apple as an alternative, now compel people away from the iphone. Apple created this imbalance with it's GSM only approach, until market share forced it to change.
Jobs (40:15) "Behold now the behemoth, which I made with thee;"
The only drawback to this new super phone from Sprint is that it will still be stuck on the old, outdated CDMA network.
Which allows Apple to continue to punch away at the one soft spot in the armor, which is lack of "network multitasking".
mkhopper said:
The only drawback to this new super phone from Sprint is that it will still be stuck on the old, outdated CDMA network.
Which allows Apple to continue to punch away at the one soft spot in the armor, which is lack of "network multitasking".
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what about "network multitasking"? Evo should be able to do 4g and voice at the same time.
willowmp said:
Viruses? My friend we are running linux.
Now when someone finds a way to boot BackTrack distro on an android phone we might need to be a little concerned...
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One of my professors a school (A self professed linux god) destroyed my Hero over WiFi....Had to RUU to get it back up and running. He still won't tell me what the hell he did.
Virus's are targeted for the mass of Morons, some Android owners fall into this catagory. Once they grow as large in numbers as Windows PC's, we will have viruses. Why waste your time writing a virus for 10 computers when you can write one for 100.
mkhopper said:
The only drawback to this new super phone from Sprint is that it will still be stuck on the old, outdated CDMA network.
Which allows Apple to continue to punch away at the one soft spot in the armor, which is lack of "network multitasking".
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Click to collapse
It will be years before we ever see CDMA go by the way side. Bad part about setting up an infrastructure, once it's dated you have to have the ability to roll out a new one.
mkhopper said:
The only drawback to this new super phone from Sprint is that it will still be stuck on the old, outdated CDMA network.
Which allows Apple to continue to punch away at the one soft spot in the armor, which is lack of "network multitasking".
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Click to collapse
Well actually, according to Engadget:
"Interestingly, it sounds like concurrent data and voice use might be possible for the first time on CDMA carrier in this way (killing AT&T's well-advertised differentiator)"
-link
Sprints 4G network (WiMax) can do voice and data simultaneously, and according to Clear(wire), the technology for WiMax can easily be upgraded to LTE with little to no effort. So in a way, Sprint can have their 4G speeds now, and upgrade to LTE in the future if necessary. They are just jumping to WiMax now in the hopes of getting people to switch now and get faster speeds rather than wait for Verizon and AT&T's LTE networks to get up and running in a year or 2. Of course the term 4G has not been completely finalized in regards to speeds and to all of the Carriers, the tern 4G means 4th generation of speeds, not the 4G certification of a speed that has been recognized and certified yet.
slybitz said:
Well actually, according to Engadget:
"Interestingly, it sounds like concurrent data and voice use might be possible for the first time on CDMA carrier in this way (killing AT&T's well-advertised differentiator)"
-link
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Ahhh, yea that will definitely shut down the Apple argument about concurrent voice and data then.
People actually care about concurrent voice and data?
AboveUnrefined said:
People actually care about concurrent voice and data?
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Surprisingly...
Never once found myself in those Apple style scenarios.
Now if I was downloading a huge file & a phone call interrupted it, ok that would be attractive but that's not often an occurrence. The ability is not a deal breaker or maker for me.
AboveUnrefined said:
People actually care about concurrent voice and data?
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with wifi tether...
I do run into situations.. I want to make calls while I am doing things online...
With 4G speeds .. I will find myself in this situation a lot..
Plus..with up to 8 concurrent connections, this will be a big PLUS!!!!!!!
or
GPS navigation.. in the car
and want to make a call...
Dan330 said:
GPS navigation.. in the car
and want to make a call...
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Sold me on it with this lol!
Dan330 said:
with wifi tether...
I do run into situations.. I want to make calls while I am doing things online...
With 4G speeds .. I will find myself in this situation a lot..
Plus..with up to 8 concurrent connections, this will be a big PLUS!!!!!!!
or
GPS navigation.. in the car
and want to make a call...
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Click to collapse
i have a gps on the car.

ports on back of phone?

does anyone know what the ports are under the battery case: R1, R2/g, W1, W2
I figured they may be the antennas ....just not sure which is which.
trying to boost my reception and hoping one is for that.
thanks
Don't plug anything in them. The last time I did that it stopped the antenna from working unless something was in there.
Sent from my SPH-D700 using Tapatalk
They are antenna extentions. Wifi, 1x, 3g wimax radios
Sent from my SPH-D700 using XDA App
any body know where to get an antenna to fit the port's?
ranchosteve said:
any body know where to get an antenna to fit the port's?
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also interested in this... looking to extend wimax range.
Best guess would be radio shack or best buy. I had a quasimo(sp?) Laptop for a few weeks that had a port like this, came with an external antenna...clipped right on. Didn't help -much- with wifi, id assume the same for other bands. Sold the laptop or id try my self.
Also someone said in this or another thread about the ports that they tried an antenna and they couldn't get signal back after disconnecting.
Sent from my SPH-D700 using XDA App
Kcarpenter said:
Also someone said in this or another thread about the ports that they tried an antenna and they couldn't get signal back after disconnecting.
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are you referring to the 2nd post in this thread.. or did someone else besides that person claim the signal didnt work?
not sure why the signal wouldnt work unless they used the wrong adaptor.. or broke the fitting.
id assume id need a special 2.6ghz antenna since id want this for wimax? and i guess just try each port to see which gives me better signal? is there a diagram anywhere thatd say what each port was for?
My guess is that they are voltage testing points for q/c.
Top Nurse said:
My guess is that they are voltage testing points for q/c.
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yeah i kinda thought that as well.. either testing point or antenna.. wish i knew for sure. kinda weird there'd be 4 testing points tho? and still left on the device for production? idk..
anyone know for sure?
i wanna put a giant wimax antenna outside my house and connect it to the phone
autoprime said:
are you referring to the 2nd post in this thread.. or did someone else besides that person claim the signal didnt work?
not sure why the signal wouldnt work unless they used the wrong adaptor.. or broke the fitting.
id assume id need a special 2.6ghz antenna since id want this for wimax? and i guess just try each port to see which gives me better signal? is there a diagram anywhere thatd say what each port was for?
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Nah aparently there's a switch in some of those that disables the internal antenna to use th external one. It was on an exclaim tho so I might be wrong.
Sent from my SPH-D700 using Tapatalk

[Q] adding 1700 MHz antenna to Streak?

Hi all... apologies if this has been discussed... I did a search but couldn't find anything.
Is there a way to add a 1700MHz antenna to the streak hardware?
I figure since they made a few of the streaks with the 1700MHz antenna, there might be a way?
I also thought I would email the guys who did the tear down of the streak to get their opinion.
Thanks for any help.
+1
I would like to know as well if there is such possibilities.
I am looking into buying a 2100/1700/900 antenna and seeing if someone in phone repair knows how to solder it in place... will let you know if I have any success!
thx
xexes said:
I am looking into buying a 2100/1700/900 antenna and seeing if someone in phone repair knows how to solder it in place... will let you know if I have any success!
thx
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+1 on the need to know. Thanks in advance
xexes said:
I am looking into buying a 2100/1700/900 antenna and seeing if someone in phone repair knows how to solder it in place... will let you know if I have any success!
thx
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I sure would like to know xexes!
Thank you!
There's been a lot of buzz about a T-Mo version over the last week and alot more just since yesterday. It looks like it might be released soon.
Streakr said:
There's been a lot of buzz about a T-Mo version over the last week and alot more just since yesterday. It looks like it might be released soon.
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Streakr, you mean the 7" Streak or the 5 inch one?
the.mister.d said:
Streakr, you mean the 7" Streak or the 5 inch one?
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Jenn on streak smart made a similar comment... "1) there's a string of evidence that a T-Mobile version of the existing Streak will eventually be released," in the 12-26 post at www.streaksmart.com
She doesn't give any details about what the "string of evidence" is... so I'm not sure what she's talking about... have you guys heard anything?
Maybe they will announce something at CES... I have so far not been able to make contact with anyone about soldering in a new AWS antenna... and may wait to see what happens next week.
If they are going to release a 5" Streak with Tmo I will wait... not sure about the 7" which apparently will be available thru Tmo from the get go... I had a Galaxy Tab for a while and altho I loved it... it was kind of big to carry around all the time... maybe the Dell will be lighter or thinner, who knows.
xexes said:
Jenn on streak smart made a similar comment... "1) there's a string of evidence that a T-Mobile version of the existing Streak will eventually be released," in the 12-26 post at www.streaksmart.com
She doesn't give any details about what the "string of evidence" is... so I'm not sure what she's talking about... have you guys heard anything?
Maybe they will announce something at CES... I have so far not been able to make contact with anyone about soldering in a new AWS antenna... and may wait to see what happens next week.
If they are going to release a 5" Streak with Tmo I will wait... not sure about the 7" which apparently will be available thru Tmo from the get go... I had a Galaxy Tab for a while and altho I loved it... it was kind of big to carry around all the time... maybe the Dell will be lighter or thinner, who knows.
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I sure keep my eye on streaksmart.com. And did read Jenn mentioning about TMo-US version of Streak, but that's about it.
I really want Streak to work with TMo which it does but EDGE is too slow.
Lets see what happens in next few days at CES.
Also, where would to get this "AWS Antenna"?
My thought is to get a broken phone with the right kind of antenna... it's kind of a long shot I know, in terms of it fitting in the Streak case... also, I note by googling that the antennas are attached to a cable, so soldering might not be the way.
I will wait to see what happens at CES and if there is no 5" Streak with Tmo antennas, then I will contact the guys that did the Streak tear down (and lots of other cell phone teardowns) to see if replacing the antenna with one that has 1700/2100 MHz is possible... since Dell made some of the units that way, somehow it must be... but I'm not sure if it would take that exact antenna or if another one could be used somehow... that is the question.
xexes said:
My thought is to get a broken phone with the right kind of antenna... it's kind of a long shot I know, in terms of it fitting in the Streak case... also, I note by googling that the antennas are attached to a cable, so soldering might not be the way.
I will wait to see what happens at CES and if there is no 5" Streak with Tmo antennas, then I will contact the guys that did the Streak tear down (and lots of other cell phone teardowns) to see if replacing the antenna with one that has 1700/2100 MHz is possible... since Dell made some of the units that way, somehow it must be... but I'm not sure if it would take that exact antenna or if another one could be used somehow... that is the question.
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Theoretically you probably could. You'd have to get the hardware, which probably isn't too easy for the average consumer. Then you'd have to swap it out with what's in there already. Even if you get the hardware swapped and manage to not ruin anything else innside the phone, there's one minor hurdle: software. You'd have to have a radio that worked with 1700. If you swap out current hardware with what shipped in the test builds that were handed out as demo units, you could probably find that old radio. If you swap it out with something that's only AWS, you'll have to essentially build your own radio. At least, that's my understanding.
While it all may be theoretically possible, I think it's a gigantic waste of time, effort, and money. Try to pick up a demo unit that supports AWS. They gave those out in Texas, right? If memory serves...
Sent from my Sexy Nexy, courtesy of the fine developers of Tapatalk
SoberGuy said:
Try to pick up a demo unit that supports AWS. They gave those out in Texas, right? If memory serves...
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Very few from the beta program in TX are AWS capable. Happy Hunting.
the.mister.d said:
Streakr, you mean the 7" Streak or the 5 inch one?
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Click to collapse
The talk is about the 5" one right now. We should find out more about the 7" later this week. Don't get your hopes up on having 3G voice on that one though.
Streakr said:
The talk is about the 5" one right now. We should find out more about the 7" later this week. Don't get your hopes up on having 3G voice on that one though.
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As long as they have 5" version which will work on TMo-US 3G bands, I am happy!
SoberGuy is right, kinda. You will need a new radio, although not in the software sense - the actual hardware that generates the RF signals, not just the antenna. Think of it as having a CB radio and putting a TV antenna on it - it won't make your CB transmit on TV frequencies.
kd5uzz said:
SoberGuy is right, kinda. You will need a new radio, although not in the software sense - the actual hardware that generates the RF signals, not just the antenna. Think of it as having a CB radio and putting a TV antenna on it - it won't make your CB transmit on TV frequencies.
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Thx kd5uzz... so I'd need a radio and antenna... of course that makes sense that it would need something for receiving AND sending!
Since I origially posted this thread there have been some (unofficial) rumblings of the Streak 7 being released on Tmobile... so I am considering waiting for it. Also, Jenn on streaksmart has alluded to the "existing" version Streak being released on Tmo in 2011 as well.
And as I mentioned above, I have also heard about a "more than 5 in. " Palm tabphone called the Mansion that is planned for March 11 release (yeah, I know... subject to slippage of course).... that will be on Sprint... which would work fine too.
So I guess I'm not feeling the need to do a teardown/rebuild yet... but thx again for the input... I still think it can be done but I'm also dealing with some other issues at the moment.
You cant just swap antennas, the circuit board and the software must be able to support. If this was possible somebody would have figured it out by now.
Streakr said:
The talk is about the 5" one right now. We should find out more about the 7" later this week. Don't get your hopes up on having 3G voice on that one though.
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I'm having hard time understanding what the heck they can do *after* it's out...
I'm not planning getting any tablet but if I'd do I'd just kill/disable whatever service/app I want - it's mine, period. Then if I want to use Skype or a SIP app, I will, period. Heck, I root it if I want.

Thunderbolt can do Voice & Data at same time

http://www.engadget.com/2011/01/19/htc-thunderbolt-will-support-simultaneous-voice-and-data-in-lte/
Well, only if you have 4g coverage, but still... As a Verizon customer all my life I have never been able to do this. Just think of the possibilities that we have now... I can talk to friends AND look at online porn at the same time
EDIT: don't know why i put this in Incredible section, should be in Thunderbolt section... oh well, a lot of us will probably be upgrading to it anyway
g00s3y said:
http://www.engadget.com/2011/01/19/htc-thunderbolt-will-support-simultaneous-voice-and-data-in-lte/
Well, only if you have 4g coverage, but still... As a Verizon customer all my life I have never been able to do this. Just think of the possibilities that we have now... I can talk to friends AND look at online porn at the same time
EDIT: don't know why i put this in Incredible section, should be in Thunderbolt section... oh well, a lot of us will probably be upgrading to it anyway
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Click to collapse
That's cool. 4G for data, 3G for voice. I don't know if that would be a huge deal though.
Sent from my ADR6300 using XDA App
g00s3y said:
http://www.engadget.com/2011/01/19/htc-thunderbolt-will-support-simultaneous-voice-and-data-in-lte/
Well, only if you have 4g coverage, but still... As a Verizon customer all my life I have never been able to do this. Just think of the possibilities that we have now... I can talk to friends AND look at online porn at the same time
EDIT: don't know why i put this in Incredible section, should be in Thunderbolt section... oh well, a lot of us will probably be upgrading to it anyway
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Click to collapse
I doubt I'll get 4G for a while where I am, so I guess I'll have to live with 3G + WiFi for my voice + data needs.
Sent from my [mute] Droid Incredible running Myn's Warm Two Point Two RLS5.3.
Most people probably wont use this feature. Its just something ATT could gloat about for awhile, but really who needs to browse the net while talking that much where its a significant feature.
When I was on T-Mobile with the Nexus One, I actually did use voice and data a few times when the girlfriend was lost (shocker) and needed me to pull up Maps to help her out. It has been slightly frustrating on Verizon to have to hang up and call her back. It'll be nice to have that option again.
I doubt many ppl are gonna upgrade, doesnt really have many
new features. No hdmi, what a joke, epic fail.
Inc SR 3.5, 40GB, 1800mah
www.TOOLBAND.com
TokedUp said:
I doubt many ppl are gonna upgrade, doesnt really have many
new features. No hdmi, what a joke, epic fail.
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Click to collapse
You're right. Other than a new 45nm processor, four times faster GPU, 50% more RAM, LTE, Dolby Surround, noise cancelling mics, new HTC Sense, DLNA, wireless N, Bluetooth EDR, and front facing camera, there isn't much the Thunderbolt has over the Incredible.
TokedUp said:
I doubt many ppl are gonna upgrade, doesnt really have many
new features. No hdmi, what a joke, epic fail.
Inc SR 3.5, 40GB, 1800mah
www.TOOLBAND.com
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Looks like someone throughly did their research. No HDMI port? Ohs noes!
karnovaran said:
When I was on T-Mobile with the Nexus One, I actually did use voice and data a few times when the girlfriend was lost (shocker) and needed me to pull up Maps to help her out. It has been slightly frustrating on Verizon to have to hang up and call her back. It'll be nice to have that option again.
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Maps will work on verizon while you are on the phone. Well it continues to work if you already have choosen a destination, don't know if it would still work if I just wanted to look up directions.
karnovaran said:
You're right. Other than a new 45nm processor, four times faster GPU, 50% more RAM, LTE, Dolby Surround, noise cancelling mics, new HTC Sense, DLNA, wireless N, Bluetooth EDR, and front facing camera, there isn't much the Thunderbolt has over the Incredible.
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Uber Meh features. Gimme something I need. A front cam that wont work cuz no one else will have a front cam to use with you. Dolby? really? who the f cares? new sense isnt that much different, its already been leaked and am already using the features, so meh again. I already have wireless N, so meh again. Dont need the Ram, so meh. Noise cancelling mics? cmon dude.
Wow man. enjoy your new toy. Other than screen size sounds like a waste. I figured no HDMI would make my case but I guess I had to go there. Sorry to kill ur topic, i didnt mean it.
Mods plz move this to the Tbolt section, plz.
TokedUp said:
Uber Meh features. Gimme something I need.
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Click to collapse
Here you go: http://www.amazon.com/Fundamentals-English-Grammar-Student-Answer/dp/013049447X/ref=sr_1_6?s=books&ie=UTF8&qid=1295467855&sr=1-6
karnovaran said:
Here you go: http://www.amazon.com/Fundamentals-English-Grammar-Student-Answer/dp/013049447X/ref=sr_1_6?s=books&ie=UTF8&qid=1295467855&sr=1-6
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Thanks for the laugh! That was perfect
In all seriousness though, even if I don't upgrade (I probably won't), my brother will be getting one and I am quite jealous of the speed upgrade he'll be getting... No HDMI, pshh.
So who rly wants to use the hdmi on a phone? I leave the high def up to my ps3
Sent from my Incredible using XDA App
superchilpil said:
So who rly wants to use the hdmi on a phone? I leave the high def up to my ps3
Sent from my Incredible using XDA App
Click to expand...
Click to collapse
Exactly, only purpose i could see (before DLNA was confirmed anyway) would have been the ability to share your videos via HDMI, so if you went to a friends/family members house and wanted to show your camcorder videos you could via HDMI, it would be as simply as a connection to the TV via the HDMI cable.
But now that mirroring has been unveiled by LG on there Optimus line of phones, Optimus 2X and Revolution, it might be a cool and all to see your games and UI on a big screen tv, but not really necessary since theres DLNA on board and most TV's anymore that are flatscreen or HD have it built in especially with the rise of internet capable tv's like my Samsung 52"
DLNA works great on the new sense and i love how its two way where you can control the content via the phone to the TV or from the PC to the phone and vice versa.
to the TV you can use the phone as the remote, control the playback, pause it turn the volume up and down and all that, just like a boxee minus the TV controls anyway lol
i can't wait till this phone launches, i love the new sense and its ability to have skins and the other features like Locations and Navigation by TomTom (it was confirmed after it launched on the Desire HD that TomTom was the maps/navigation provider)
if you look at all the options we have on this handset, it might not be a dual core phone but its definitely worth an upgrade from the Incredible, which reminds me
if Verizon does it the way i think they are, and launch after the 22nd, all the Original launch day Incredible owners would be eligible to upgrade to the ThunderBolt (assuming they got a 1 year contract, which i always get so i don't get burned when a new handset arrives the year after).
but it kinda makes sense,
launch the successor to a phone like the Incredible right after the time they become eligible to upgrade during there 1 year agreement, if i recall, they did this with the launch of the Droid X for the OGD owners, so timing really is everything.
TNS201 said:
Most people probably wont use this feature. Its just something ATT could gloat about for awhile, but really who needs to browse the net while talking that much where its a significant feature.
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Click to collapse
Let's not forget, ATT gloated about it as if it were an ATT feature and not a complete accident by way of the network technology they used. Back when I was on T-Mobile I met more than a few people who didn't believe they could do it too.
nedrubwerd said:
Let's not forget, ATT gloated about it as if it were an ATT feature and not a complete accident by way of the network technology they used. Back when I was on T-Mobile I met more than a few people who didn't believe they could do it too.
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Click to collapse
The six years I was on Cingular, AT&T and T-Mobile, I never used the data + voice feature. I have had to give my girlfriend directions the other day and I just said, let me call you right back, I pulled it up on maps and called right back.
lol... it's not that grand.
I for one honestly don't care about HDMI out. Like someone else stated above, I will leave HD to my PC and TV.
g00s3y said:
I for one honestly don't care about HDMI out. Like someone else stated above, I will leave HD to my PC and TV.
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Click to collapse
Agreed.
I have a special media player that plays my movies in WMV, MKV, basically anything I throw at it. Why would I want to use my phone?
IISiDeK1CKII said:
The six years I was on Cingular, AT&T and T-Mobile, I never used the data + voice feature. I have had to give my girlfriend directions the other day and I just said, let me call you right back, I pulled it up on maps and called right back.
lol... it's not that grand.
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Click to collapse
True. I had a BB Curve, and being on the phone trying to pull up the Browser/Google Maps to get directions or anything was slower than hell...much easier just to look up and call back, you are correct there!
I am 42 yrs so for me a bigger screen without the cumbersome height of a droid x is worth considering. New sense is truly awesome too (now that I have played on the Z/HD ports) and the extra features are welcome. However, currently the Incredible is a truly open platform to us and we have no idea what HTC will do or be forced to do on the thunderbolt's bootloader. What if they go the motorola way?
As you can see from my sig I am a rom slut/whore/whatever is the male equivalent. I worry that HTC will make it harder for us to root the thunderbolt and that alone will be enough for me to rule out that phone. So I will seriously consider it only if I find out that it can be nand unlocked. Until then, no point switching from the inc to a phone that cant be modded and to be locked down into whatever the carrier allows me to do. That would be a bad trade. Plus LTE towers will only slowly be percolating across the country. I do not believe LTE will be widely available everywhere we are immediately. Why not wait a bit before paying for LTE service? Believe me, it will cost you more.
I also did not like the small battery. What if the energy utilization efficiencies are only marginal? That would not be good. The included 32gb micro sdhc card is worth some $ but think about this - why did they think they had to throw a free 32gb card in?
Another thing that concerns me is that while this phone might have better specs than the inc, it is not dual core (seems six months on every phone will be dual core) so is this a significant upgrade to the inc? I dont know. Early adopters may have a better toy only for a short period of time. The initial tech curve is always very steep.
My 2 cents

[Q] Loss of Service issue? A GS2 ghost!

So I've been having this problem since I got the S4, and Sprint continues to refuse it exists. It's very similar to the Loss of Service issue that the Galaxy S2/Epic 4G Touch was plagued with. The issue is consistent from the initial GS4 I received to the refurbished device I just got a few days ago. Basically the mobile network service drops, but the data stays enabled and functional. It's incredibly random, and the only way to reverse it is to enable and disable airplane mode. This is a problem for many reasons, the most obvious being that if I'm not aware of it dropping service when it's in my pocket or not on me, I could be missing important calls/texts and the battery drops like a rock. I attached a screenshot of the No service icon being displayed with data still active. Right after taking the screenshot, I opened up the FB app and everything loaded, as well as browsed a couple of XDA threads quickly to make sure I wasn't going crazy.
I am currently running MF9 stock with Agat's latest release, and the MF9 modem obviously. The issue is consistent with the stock kernel, completely unrooted stock system, as well as the MDL software (I tried running MDL for a little bit while I still had my first GS4). Any input is appreciated, or any ways to troubleshoot the issue. Thanks in advance!
Its not that bad. I've had it happen about 3 times since I've own the device. June 1st.
Sent from my SPH-L720 using Tapatalk 4
daniel4653 said:
Its not that bad. I've had it happen about 3 times since I've own the device. June 1st.
Sent from my SPH-L720 using Tapatalk 4
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Yeah it's not the end of the world, just a bit of poison in my eyes. I have it happen fairly frequently though, maybe every other charge cycle it happens, and sometimes multiple times per cycle. Do you find it happens when you have low service? Almost like the mobile network gets very faint, it drops for a second, and then the phone can't grab back onto the network for some reason.
vadyr56 said:
Yeah it's not the end of the world, just a bit of poison in my eyes. I have it happen fairly frequently though, maybe every other charge cycle it happens, and sometimes multiple times per cycle. Do you find it happens when you have low service? Almost like the mobile network gets very faint, it drops for a second, and then the phone can't grab back onto the network for some reason.
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That's it for me, it will happen about once every five hours if I'm moving around a lot in very low service areas (one bar, 1X). It's not as bad as it was on my E4GT, where it could happen at any time.
Sent from my Carbonized Chronic SPH-L720
do you live in a low service area? i mean really as a sprint customer (ex-employee) we have all had drops and los at one point but to say its a device issue is absurd....if your in an area where on average you get 1 mabey 2 bars of service your going to experiance this alot more than others as you live in an area where the towers are spread farther apart. each tower has and average radius of 7 miles (this can vary....hence the use of the word average). so if for instance you are moving out of a towers range....lets say your at 6.8 miles from the nearest tower and all of a sudden everyone around that tower decides to call their grandma and you dont have a tower close enough to jump to then guess what..... if you experiance this with multiple devices in the same area then its obviously not the device itself, there is a factor that your not considering that is probably a huge reason why you experiance this. for example if you live in a freaking house made of iron and concrete (dont laugh ive taken this call more than once) or if you live in an area of extreme geographic variation.....look at your surroundings.....hell you may have a shopping center between you and the tower and that could even cause it. this is an amazing phone with some of the most hightech and up-to-date hardware avaliable for mobile devices i just dont see why people continue to blame it for ****ty service. a great tool as a sprint customer is to look at the coverage in your area coverage.sprintpcs.com. also (cause i know your thinking it) voice and data (contrary to popular belief) on the sprint network do not run at the same frequency. they do however run on such a similar frequency as to make calling and data at the same time virtually impossible (unless on 4g or wifi) and that may be why your able to obtain a data signal while loosing the signal for making voice calls....because they are differant. also my spelling is horrible so dont judge me lol im just trying to give insight to your problems and trying to help the next poor rep you get on the phone from hearing the same story they hear all day long.
I wonder if there's an app, or it can be made in tasker, something that checks to see if you have connection. If it doesn't see service after a pre determined amount of time, it cycles airplane mode on then off.
oscarthegrouch said:
I wonder if there's an app, or it can be made in tasker, something that checks to see if you have connection. If it doesn't see service after a pre determined amount of time, it cycles airplane mode on then off.
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Viperboy had a mod/script on the epic touch that did this.
Sent from my SPH-L720 using Tapatalk 4
I've had this happen in bad service areas for sure. International roaming in native coverage also. Enable it and go with it lol.
xxaddictedxx said:
do you live in a low service area? i mean really as a sprint customer (ex-employee) we have all had drops and los at one point but to say its a device issue is absurd....if your in an area where on average you get 1 mabey 2 bars of service your going to experiance this alot more than others as you live in an area where the towers are spread farther apart. each tower has and average radius of 7 miles (this can vary....hence the use of the word average). so if for instance you are moving out of a towers range....lets say your at 6.8 miles from the nearest tower and all of a sudden everyone around that tower decides to call their grandma and you dont have a tower close enough to jump to then guess what..... if you experiance this with multiple devices in the same area then its obviously not the device itself, there is a factor that your not considering that is probably a huge reason why you experiance this. for example if you live in a freaking house made of iron and concrete (dont laugh ive taken this call more than once) or if you live in an area of extreme geographic variation.....look at your surroundings.....hell you may have a shopping center between you and the tower and that could even cause it. this is an amazing phone with some of the most hightech and up-to-date hardware avaliable for mobile devices i just dont see why people continue to blame it for ****ty service. a great tool as a sprint customer is to look at the coverage in your area coverage.sprintpcs.com. also (cause i know your thinking it) voice and data (contrary to popular belief) on the sprint network do not run at the same frequency. they do however run on such a similar frequency as to make calling and data at the same time virtually impossible (unless on 4g or wifi) and that may be why your able to obtain a data signal while loosing the signal for making voice calls....because they are differant. also my spelling is horrible so dont judge me lol im just trying to give insight to your problems and trying to help the next poor rep you get on the phone from hearing the same story they hear all day long.
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Thank you for your input. The area I live in has great coverage for the most part, data isn't the fastest but the signal strength is overall pretty good. There are poor spots of course but considering the geography of my area it is good. And just so you know, I don't call and whine to the customer service reps about nonsense, I have more common sense than to expect cell service in a bunker. Speaking of that, I do have an airrave at home and the phone does the LoS thing while connected to the airrave. And it was proven that the GS2 had software issues which caused the LoS issue, so its possible the same can be said for the GS4.
I'd be interested to see about a script that would toggle air plane mode...hmmm.
Sent from my SPH-L720 using XDA Premium 4 mobile app
I do remember the gs2's los issue but I have yet to see that on an s4 other than what u have described but since replying to this post I have also read your other post about your phone having moisture in it.......I mean water of and kind in any form does not play well with electronics.....could be your having hardware malfunctions because of the amount of moisture you are getting in your phone.....I just haven't seen this as a known hardware or software issue on this device so there has to be an external reason why its happening to you. This would explain the los even on the airave as well. Granted those moisture sensors can sometimes be a little sensitive but with what you described It could be an insight into a deeper problem.
Sent from my SPH-L720 using xda app-developers app
xxaddictedxx said:
I do remember the gs2's los issue but I have yet to see that on an s4 other than what u have described but since replying to this post I have also read your other post about your phone having moisture in it.......I mean water of and kind in any form does not play well with electronics.....could be your having hardware malfunctions because of the amount of moisture you are getting in your phone.....I just haven't seen this as a known hardware or software issue on this device so there has to be an external reason why its happening to you. This would explain the los even on the airave as well. Granted those moisture sensors can sometimes be a little sensitive but with what you described It could be an insight into a deeper problem.
Sent from my SPH-L720 using xda app-developers app
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Most certainly agree with you, only problem is that I have received a replacement since, and the problem still exists. If I hadn't gotten a second phone with the same issue I wouldn't have bothered asking in another thread, I really thought maybe the moisture in the old phone was the issue . Sprint tells me my area has "some of the best coverage in the nation" which might be exaggerated but it is still good coverage.
Sent from my SPH-L720 using XDA Premium 4 mobile app
vadyr56 said:
Most certainly agree with you, only problem is that I have received a replacement since, and the problem still exists. If I hadn't gotten a second phone with the same issue I wouldn't have bothered asking in another thread, I really thought maybe the moisture in the old phone was the issue . Sprint tells me my area has "some of the best coverage in the nation" which might be exaggerated but it is still good coverage.
Sent from my SPH-L720 using XDA Premium 4 mobile app
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right but you havent changed jobs have you? have you subjected this replacement phone to that same treatment? all it takes is once.... you know? im not saying your not running into a hardware issue or even a software issue. are you running stock everything or are you running a rom and custom kernel? is your setup the same as your last phone? have you tried a different setup to make sure (only if your running custom sw)you still using that same case thats trapping the moisture?
xxaddictedxx said:
right but you havent changed jobs have you? have you subjected this replacement phone to that same treatment? all it takes is once.... you know? im not saying your not running into a hardware issue or even a software issue. are you running stock everything or are you running a rom and custom kernel? is your setup the same as your last phone? have you tried a different setup to make sure (only if your running custom sw)you still using that same case thats trapping the moisture?
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Yeah I do have the same job, but for the time being I've just been leaving my phone in the truck so its not exposed to the moisture. As for my set up, currently running stock rooted with agats kernel, but I've tried 100% stock for a while before and it still did it, as well as a few other configurations and its consistent. I actually have to knock on wood, it didn't do it once yet today, although I did lose data several times but that happens with sprint no matter where I am. Honestly I feel like its a problem I may not be able to fix, unfortunately the troubleshooting options are very limited.
Sent from my SPH-L720 using XDA Premium 4 mobile app
vadyr56 said:
Yeah I do have the same job, but for the time being I've just been leaving my phone in the truck so its not exposed to the moisture. As for my set up, currently running stock rooted with agats kernel, but I've tried 100% stock for a while before and it still did it, as well as a few other configurations and its consistent. I actually have to knock on wood, it didn't do it once yet today, although I did lose data several times but that happens with sprint no matter where I am. Honestly I feel like its a problem I may not be able to fix, unfortunately the troubleshooting options are very limited.
Sent from my SPH-L720 using XDA Premium 4 mobile app
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well if its loosing signal and then not picking it back up it kinda sounds like a faulty antenna.....its hard to say with out a diagnostics hooked up to it but even if you take it in your unlikely to get a straight answer. if it is infact a hardware issue the only ones capable of fixing is manuf.(sprint will just pass it off or make up some reason for you to file a ins claim) from what you have told me it sounds like your in a normal setting. do others in your area that have sprint have the same problem?
xxaddictedxx said:
well if its loosing signal and then not picking it back up it kinda sounds like a faulty antenna.....its hard to say with out a diagnostics hooked up to it but even if you take it in your unlikely to get a straight answer. if it is infact a hardware issue the only ones capable of fixing is manuf.(sprint will just pass it off or make up some reason for you to file a ins claim) from what you have told me it sounds like your in a normal setting. do others in your area that have sprint have the same problem?
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Nah not to my knowledge... I have heard of very few cases of the same issue only with the S4 but I guess sprint/Sammy won't recognize it until there are more people with the issue. And yeah just like you said, sprint gives me the runaround when I call them and the guy in the store does the same thing, says his hands are tied cause usually they do whatever they can. I am grateful they got me a refurbished device for free even with water damage though.
Sent from my SPH-L720 using XDA Premium 4 mobile app
vadyr56 said:
Nah not to my knowledge... I have heard of very few cases of the same issue only with the S4 but I guess sprint/Sammy won't recognize it until there are more people with the issue. And yeah just like you said, sprint gives me the runaround when I call them and the guy in the store does the same thing, says his hands are tied cause usually they do whatever they can. I am grateful they got me a refurbished device for free even with water damage though.
Sent from my SPH-L720 using XDA Premium 4 mobile app
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yessir thats what they do.....well if it truly is a hardware issue with the s4's i hope you can get some light shed on it soon so you dont have to deal with anymore. I remember it from the s2 days and it was definatly annoying at best. but hey look on the bright side.....at least you aren't having menu wakes like the s2 did. my only advice i can give is just try different combos of roms,kernels,modems to see if you can find one that may at least somewhat mask the issue. unfortunatly if its hardware thats failing then its only going to get worse and worse.

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