Database Users

Power off trick

I was pressing random buttons on my phone when it suddenly turned off. I was pressing Power + Vol Down + Trackpad at the time when it turned off. I booted up the phone and reproduced the same results again.
Did I just discover this or does everyone know?

That's the easy way to turn off the phone.
Sent from my ADR6300 using XDA App

Hey, I'm new to the site and relatively new to Android. I had a Nexus One for a while, got rid of it due to not having a decent way to sync music to the phone and got an i*hone. Had that for about a year and just got rid of it since I was tired of living in the walled garden and got an HTC Incredible.
Also, my phone just froze up on me and I used this trick to shut it down and then restart it. Way easier than having to pull the battery and then restart. Thanks for the tip!!

LSUstang05 said:
Hey, I'm new to the site and relatively new to Android. I had a Nexus One for a while, got rid of it due to not having a decent way to sync music to the phone and got an i*hone. Had that for about a year and just got rid of it since I was tired of living in the walled garden and got an HTC Incredible.
Also, my phone just froze up on me and I used this trick to shut it down and then restart it. Way easier than having to pull the battery and then restart. Thanks for the tip!!
Click to expand...
Click to collapse
Welcome to the site! I'm sure that you'll love the Incredible much more than the iPhony
I didn't know that it worked during a freeze also. I guess I'll do that instead of a battery pull the next time I press the "freeze for 5 minutes" button in Dev Tools on accident.

Keep on holding it to boot into debugging mode
Sent from my Incredible using XDA Premium App

superchilpil said:
Keep on holding it to boot into debugging mode
Sent from my Incredible using XDA Premium App
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Click to collapse
What's that?

pianoplayer said:
What's that?
Click to expand...
Click to collapse
I've only done it a few times
It boots the phone into a mode where no apps besides system apps boot up, so u vs unistall any apps that prevent the phone from booting like set CPU if you overclock to high
Sent from my Incredible using XDA Premium App

thats crazy! thanks lol

Wow crap. Nice find.
Sent from my Incredible using Tapatalk

cool tip, wish i knew this before i had to do my first battery pull...

Nexus S kills the batteries

Hello
My friend have a Nexus S (9020A) the problem is when the battery dies it's impossible to charge the phone, it won't turn on! I have tried with a lot of batteries now and it kills all of them! it works like normal when you don't let the battery die completely but it should not do this anyway, what is wrong?

I think I know what your talking about.
The phone consumes more power than it receives when its using data. Do if your at 5% and charging, but also using the internet. You will last for mere minutes.
Best thing to do is to simply let it charge and not touch it when its doing so. You can still hotspot,text talk. But streaming music, data apps (like tapatalk or skype) and web browser WILL KILL YOUR BATTERY WHILE YOU CHARGE.
But if your saying it won't charge. Sorry. No idea
Sent from my Nexus S 4G using XDA App. Developer of brickROM, and OP of XDA Thread of The Year 2011.

Shark_On_Land said:
I think I know what your talking about.
The phone consumes more power than it receives when its using data. Do if your at 5% and charging, but also using the internet. You will last for mere minutes.
Best thing to do is to simply let it charge and not touch it when its doing so. You can still hotspot,text talk. But streaming music, data apps (like tapatalk or skype) and web browser WILL KILL YOUR BATTERY WHILE YOU CHARGE.
Click to expand...
Click to collapse
What? That's just nonsense.

If you turn the phone off and then try to charge it with the battery in, you're not able to charge it?

gsvnet said:
If you turn the phone off and then try to charge it with the battery in, you're not able to charge it?
Click to expand...
Click to collapse
no, the phone kills the batteries, I would have test the batteries on other phone if I had, but atm I just have the Nexus S, it won't let me charge the batteries when they are dead.. if there is 1% left I can charge but when it dies it's dead forever... there must be something wrong with the phone, right?

Try wiping battery stats?

Harbb said:
Try wiping battery stats?
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Click to collapse
don't work.. when battery have some % left the phone works like normal... but if I let it die, then it's dead.. I can't even turn on the phone, it's like there is no battery inserted.

The phone should shut down automatically when the voltage reaches a certain threshold. Is the phone not doing this? These batteries are not meant to drop below a certain voltage and doing so could damage them.
Sent from my Nexus S 4G using xda premium

Wait, does this mean I have to turn my wifi and data off whenever I'm charging my phone? Bulls right there...
Sent from my Nexus S using XDA App

Rem3Dy said:
The phone should shut down automatically when the voltage reaches a certain threshold. Is the phone not doing this? These batteries are not meant to drop below a certain voltage and doing so could damage them.
Sent from my Nexus S 4G using xda premium
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Click to collapse
This ^^
Are you running a modded rom/kernel/calibration tool that let your battery go below the min voltage threshold?

evcz said:
This ^^
Are you running a modded rom/kernel/calibration tool that let your battery go below the min voltage threshold?
Click to expand...
Click to collapse
The phone have doing the same with all type of ROMS, CM7, Stock Google Gingerbread and now ICS.
Sent from my Galaxy S2 CM9 using Tapatalk

kyokeun1234 said:
Wait, does this mean I have to turn my wifi and data off whenever I'm charging my phone? Bulls right there...
Sent from my Nexus S using XDA App
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Click to collapse
No, just go ahead and ignore anything Shark_On_Land posts - he's a slightly slow middle-schooler who claims to be a "developer".
Snt frm my Nxs S 4G sng xd prm

[email protected] said:
The phone have doing the same with all type of ROMS, CM7, StockvGoogle Gingerbread and now ICS.
Sent from my Galaxy S2 CM9 using Tapatalk
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Click to collapse
so does it auto shutdown or not?
Sent from my Nexus S 4G using xda premium

Rem3Dy said:
so does it auto shutdown or not?
Sent from my Nexus S 4G using xda premium
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Click to collapse
yes I mean when battery dies all phones shutdown or have I missed something? problem is I can't charge the battery when that happens.

Shark_On_Land said:
I think I know what your talking about.
The phone consumes more power than it receives when its using data. Do if your at 5% and charging, but also using the internet. You will last for mere minutes.
Best thing to do is to simply let it charge and not touch it when its doing so. You can still hotspot,text talk. But streaming music, data apps (like tapatalk or skype) and web browser WILL KILL YOUR BATTERY WHILE YOU CHARGE.
But if your saying it won't charge. Sorry. No idea
Sent from my Nexus S 4G using XDA App. Developer of brickROM, and OP of XDA Thread of The Year 2011.
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Click to collapse
This is so insanely inaccurate. Using the hotspot is one of the most battery intensive operations the phone can carry out. Streaming music, Skype, and browsing don't even hold a candle to it. The only thing that comes close would be navigation (and that can be even worse sometimes), followed by talking on the phone by a pretty decent, but not massive margin. It also depends on the charger. Where do you get your information?
Sent from my PG41200 using Tapatalk

if the phone is doing the same with all type of ROMS, then it may be hardware related issue.
I have been running various Roms since the start but never faced this issue. A lot of times battery has drained fully. With some of the new roms that are there my phone lasts more than a day with Data on Roaming full time.

I know most phone batteries will not be chargeable if you deplete them completely. Usually this happens by throwin it in the drawer and not using it for a long time but ive never heard of it happening just by using the phone. Id say its definitely a hardware issue

Bradart said:
This is so insanely inaccurate. Using the hotspot is one of the most battery intensive operations the phone can carry out. Streaming music, Skype, and browsing don't even hold a candle to it. The only thing that comes close would be navigation (and that can be even worse sometimes), followed by talking on the phone by a pretty decent, but not massive margin. It also depends on the charger. Where do you get your information?
Sent from my PG41200 using Tapatalk
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Click to collapse
Trial & error
Sent from my Nexus S 4G using XDA App. Developer of brickROM, and OP of XDA Thread of The Year 2011.

Shark_On_Land said:
Trial & error
Sent from my Nexus S 4G using XDA App. Developer of brickROM, and OP of XDA Thread of The Year 2011.
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A lot of error in your case...

Putting phone into emergency power saving mode

Here is my thought.
I live in Florida, and if a hurricane comes and knocks out power, I would like my cell phone to be able to send/receive e-mail/text, and phone calls. I don't want ANYTHING else to function like Facebook, Words with Friends, etc. to conserve battery life as much as I can.
Is there an easy way to do this in an emergency situation?

Freeze all the apps since you want email you cannot simply turn off data. Also note that there is a good chance power will be out to the cell tower near you as well. Generator power only lasts so long.
Sent from my PantechP4100 using xda premium

In an emergency situation you turn on airplane mode and toggle it once an hour or once every few hours to get messages. Power might be out for days, so you don't want data on all the time as its a waste and you prob don't need texts and emails immediately.
Sent from my SPH-D700 using XDA

For that situation I would buy a car jump starter and use that to charge your phone.
Sent from my Nexus S 4G using Tapatalk 2

lynyrd65 said:
For that situation I would buy a car jump starter and use that to charge your phone.
Sent from my Nexus S 4G using Tapatalk 2
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Click to collapse
You would just need a charged car battery and cigarette lighter charger.
Sent from my SPH-D700 using xda premium

You know it would be cool to have an app where you choose certain apps out of your app list to be frozen and unfrozen on command. Like a widget clicker or even a status toggle. Just an idea.

Also just curious but if power get knocked out wouldn't that kill the towers as well? Or do they have emergency batteries?

kennyglass123 said:
Freeze all the apps since you want email you cannot simply turn off data. Also note that there is a good chance power will be out to the cell tower near you as well. Generator power only lasts so long.
Sent from my PantechP4100 using xda premium
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Click to collapse
LOL I know I can do this, but that process seems quite complicated. I was wondering if there was a simpler way.
muyoso said:
In an emergency situation you turn on airplane mode and toggle it once an hour or once every few hours to get messages. Power might be out for days, so you don't want data on all the time as its a waste and you prob don't need texts and emails immediately.
Sent from my SPH-D700 using XDA
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Click to collapse
If I am going to do this, wouldn't it make even more sense to just shut the phone off?
schnowdapowda said:
You know it would be cool to have an app where you choose certain apps out of your app list to be frozen and unfrozen on command. Like a widget clicker or even a status toggle. Just an idea.
Click to expand...
Click to collapse
THIS is exactly what I was thinking. Exactly.

schnowdapowda said:
You know it would be cool to have an app where you choose certain apps out of your app list to be frozen and unfrozen on command. Like a widget clicker or even a status toggle. Just an idea.
Click to expand...
Click to collapse
Titanium Backup has widgets that will do this.

https://play.google.com/store/apps/details?id=com.latedroid.juicedefender&hl=en

DurhamHusker said:
Titanium Backup has widgets that will do this.
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Click to collapse
Damn if he ain't right. How do you set the filters?

Keep in mind your TWS % is a big factor in battery drain. Also, if your area gets a direct hit, you most likely won't be able to call out. Texting will still work.
I know this from experience during Katrina. Anyone in the 504 code was SOL for calls, but text and direct connect still worked.
Sent from my SPH-D700 using Tapatalk 2

nikon120 said:
Keep in mind your TWS % is a big factor in battery drain. Also, if your area gets a direct hit, you most likely won't be able to call out. Texting will still work.
I know this from experience during Katrina. Anyone in the 504 code was SOL for calls, but text and direct connect still worked.
Sent from my SPH-D700 using Tapatalk 2
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Click to collapse
Yep same with people in 941 durin wilma... texts were fine, but no calls...

Magic Oreo said:
https://play.google.com/store/apps/details?id=com.latedroid.juicedefender&hl=en
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Click to collapse
i was going to suggest this app. Juice Defender has preset power save options, it runs balanced by default, u can go up to advanced to save more battery and extreme to save alot of battery. You can also set up a custom plan to shut down pretty much everything but what u want.

Battery Life is Horrible on Airplane Mode

I have an old Droid 2 that doesn't function as a phone that I only use in Airplane mode. I occasionally turn on WiFi to download an app or to sync something.
It's running MIUI.
A strange thing that I keep running into is that it wants to activate on bootup, but I can't activate (not an active device) or skip it.
The battery usage graph deisplays that "Phone Calls" are taking 70%+ on the battery.
Any ideas on how to fix this?
Screenshot is attached.

it's been awhile since I've used miui
but doesn't look like phone is in airplane mode
i think you can disable network data in settings
may even try freezing phone app
not sure what that will do
make sure you have a nandroid
Sent from my DROID X2 using xda premium

sd_shadow said:
it's been awhile since I've used miui
but doesn't look like phone is in airplane mode
i think you can disable network data in settings
may even try freezing phone app
not sure what that will do
make sure you have a nandroid
Sent from my DROID X2 using xda premium
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Click to collapse
I've tried both, freezing the app only broke a bunch of other things. The disabling of network data also didn't affect it.
I'm pretty sure it's the activation at the beginning that I can't skip.

'm pretty sure it's the activation at the beginning that I can't skip
Click to expand...
Click to collapse
I don't think so
you could try another rom, I like liquid or cm7

If you head over to Rootzwiki there's a zip you can flash that will remove the phone apk and that should solve your problems.

Droid 2 has a very bad battery
I would buy a second battery
Sent from my Samsung Galaxy Stellar

I kill both of my batteries everyday. At 1390 mah it is by no means a big battery
Sent from my DROID2 using Xparent Blue Tapatalk 2

I'm running apex with the droid 2 as my alarm clock/netflix device. I've hit 20 days battery with 6 hours screen on.
Sent from my ADR6425LVW using Tapatalk 2

pmania said:
I'm running apex with the droid 2 as my alarm clock/netflix device. I've hit 20 days battery with 6 hours screen on.
Sent from my ADR6425LVW using Tapatalk 2
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Click to collapse
Your Droid 2 must be on stock/GB.
I am guessing most people with battery issues are using ICS
Sent from my SCH-I200 using xda app-developers app

[Q] Alarm When Phone is Off

Ok i keep it straight..
Its my first Android device (The S4.)
Switching from my nokia c7 i've had this issue of alarm not going off when phone's off..
Actually i faced this problem that day when i had only 4% battery left (obviously it wasnt going to last that night)
So i turned off the phone and thought the ALARM would wake me up the next day..( as my nokia always did )
But to my surprise it didnt...
I did search for some solution on xda but no luck..
But then i saw the link of alarm working WITH PHONE OFF on the Rival HTC ONE..(http://forum.xda-developers.com/showthread.php?t=2406083)
So i was wondering whether the devs would be able to make some app..(Or refer me if theres any as i couldnt find one..)
Thanks for your precious time..
Regards.
Me
EDIT : So i was going though some more stuff on this matter and found something relevent..
Like there is a real time clock running on pc (that keeps time even when its off)..
Maybe HTC does use that to make its ONE power on ..
I think some files in the kernel can be edited for some progress on our s4 ( I am completely a noob and have no idea about kernels n all , i just read it somwhere)..
Maybe some real pro can help us out here, by studying htc one's files.. and try to make it work on some other 'SmartPhones'.

+1 to that plenty of time phone nearly dead and would love to do this if possible
Ha\/0c said:
Ok i keep it straight..
Its my first Android device (The S4.)
ove hing from my nokia c7 i've had this issue of alarm not going off when phone's off..
Actually i faced this problem that day when i had only 4% battery left (obviously it wasnt going to last that night)
So i turned off the phone and thought the ALARM would wake me up the next day..( as my nokia always did )
But to my surprise it didnt...
I did search for some solution on xda but no luck..
But then i saw the link of alarm working WITH PHONE OFF on the Rival HTC ONE..(http://forum.xda-developers.com/showthread.php?t=2406083)
So i was wondering whether the devs would be able to make some app..(Or refer me if theres any as i couldnt find one..)
Thanks for your precious time..
Regards.
Me
Click to expand...
Click to collapse

I guess no one's interested..

Ha\/0c said:
I guess no one's interested..
Click to expand...
Click to collapse
The problem is that some 'smartphones" never really turn off.
My Blackberry Storm was one of those and my guess is that the previous phone you had didn't either.
If the phone is in deep sleep mode, then it can wake up.
If on the other hand, it's off, and I mean really off, there is nothing you can do.
The current crop of Android phones turn off; not go into a deep sleep.

Then how can HTC one do it..
I mean it may go to deep sleep..
But can't our s4 go to deep sleep..?
Sent from my GT-I9500 using Tapatalk

I am! Have not test it... I always love that feature on my Sony Ericssons And nokias. IPhone never had it. Would love to have the function here on the s4. But again I have not try it. I will tomorrow
Sent from my GT-I9500 using xda app-developers app

Ha\/0c said:
Then how can HTC one do it..
I mean it may go to deep sleep..
But can't our s4 go to deep sleep..?
Sent from my GT-I9500 using Tapatalk
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Click to collapse
When your screen is off your phone is in deep sleep. At least should be i dont know how they did it but when you turn off android phone its off. No alarm. Maybe they have modified fly mode and altered frequencies for cpu gpu etc to be just enough to ring alarm with almost zero power consumption. But again its not off. I miss that too. Its like where to **** is my charger or hope my alarm rings
Sent from my GT-I9505 using xda app-developers app

With screen off battery goes down by more than 8-10%
I don't think that's deep sleep.. (in deep sleep battery shouldn't drain more than 2-3%..)
Yup if HTC can do that y cant Samsung.. Or other devs..
Thanks for the reply..
Sent from my GT-I9500 using Tapatalk

Zoddex said:
I am! Have not test it... I always love that feature on my Sony Ericssons And nokias. IPhone never had it. Would love to have the function here on the s4. But again I have not try it. I will tomorrow
Sent from my GT-I9500 using xda app-developers app
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Click to collapse
Thanks for showing some concern..
Sent from my GT-I9500 using Tapatalk

Can't be done or it would have been already (because it's such a desirable function).

MistahBungle said:
Can't be done or it would have been already (because it's such a desirable function).
Click to expand...
Click to collapse
Read the first post dude..
HTC one has done it..
Thats y I referred it nd started this thread..
Sent from my GT-I9500 using Tapatalk

It's not a matter of firmware/software (which you clearly don't understand), it's a hardware thing. The hardware isn't capable of it.

MistahBungle said:
It's not a matter of firmware/software (which you clearly don't understand), it's a hardware thing. The hardware isn't capable of it.
Click to expand...
Click to collapse
You probably didn't read some of the replies on that thread..
It doesn't work on AOSP or other roms but only on SENSE rom..
So it is A MATTER of firmware./software..
So I think it can be achieved..
Sent from my GT-I9500 using Tapatalk

Ha\/0c said:
With screen off battery goes down by more than 8-10%
I don't think that's deep sleep.. (in deep sleep battery shouldn't drain more than 2-3%..)
Yup if HTC can do that y cant Samsung.. Or other devs..
Thanks for the reply..
Sent from my GT-I9500 using Tapatalk
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Click to collapse
Check your apps. I have 4% over night data off. Once i broke power button on lg p990 so few days i had to live with no deep sleep to be able to turn screen on with volume buttons and man, drain was over 15%/hour.
Sent from my GT-I9505 using xda app-developers app

xtrustkillx said:
Check your apps. I have 4% over night data off. Once i broke power button on lg p990 so few days i had to live with no deep sleep to be able to turn screen on with volume buttons and man, drain was over 15%/hour.
Sent from my GT-I9505 using xda app-developers app
Click to expand...
Click to collapse
Dude only 4%,Thats great for you..
Do you use any battery app.. Or its by default..?
I've removed one phone lock app which did save me about 7% drain but still cant get it below 8%..for ( 8-9 hours of sleep )
But i'd still love this alarm feature..

Just test it and no, it does not work.
Sent from my GT-I9500 using xda app-developers app

Zoddex said:
Just test it and no, it does not work.
Sent from my GT-I9500 using xda app-developers app
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Click to collapse
But it does on the HTC one..
Thats y I think there is some hope for our phone as well..
Sent from my GT-I9500 using Tapatalk

Ha\/0c said:
But it does on the HTC one..
Thats y I think there is some hope for our phone as well..
Sent from my GT-I9500 using Tapatalk
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Click to collapse
Yes. Software-based. The question is that if a 3rd party app have access to the system to create an "auto on" or if is something that needs to be manage on the OS itself. Maybe with root access?
Sent from my GT-I9500 using xda app-developers app

Zoddex said:
Yes. Software-based. The question is that if a 3rd party app have access to the system to create an "auto on" or if is something that needs to be manage on the OS itself. Maybe with root access?
Sent from my GT-I9500 using xda app-developers app
Click to expand...
Click to collapse
Maybe some tweaks in the kernel..
I read somewhere that HTC uses some real time alarm clock.. ( I ain't confirm about it though)
Haven't got any developer interested in it yet..
Lets see..
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