no 4G working with stock rom zc520tl - Asus ZenFone 3 Questions & Answers

Hi ! I have a Asus Zenfone 3 Max zc520tl x008D with up to date stock rom.
I used it without problem before then after resting now 4G looks connected on the upper right corner but doesn't work (no connection).
I precise that with same provider, same phone, same place, same APN setting it worked. This phone has never been mod.
The only strange thing that happened two times before when I used it was a nonpersistant notification "virtual sim installed" coming at night. I didn't know virtual sims and according to my provider it didn't comes from him.
My real problem now is to get 4G working, so do you know ? Maybe enabeling fastboot or commands to reset modem/database ? Or any idea ?:good:
I precise that H+ works perfect.
EDIT : problem looks solved, by provider or by itself on phone, I don't know. Hopping it won't come back. Erasing modem or database by fastboot may be not a so good idea.

Related

Signal is vary bad

About few weeks ago my Htc Tattoo signal become to be very bad or sometimes full gone. Tried to flash different ROMs, insert different SIM cards, but nothing changes, signal is bad too. When i bought the phone, signal was perfect, becouse I live in a center of the city. So, please, maybe anyone know what the hell is wrong with my phone?
I heard, that it is possibility to reinstall something radio rom. Said, that can fix the problem, but where should i find it?
I have the same problem here. At the time i use the original HTC ROM my phone was connected with 3G and/or HSDPA, but now with fyodor i have the problem that the best connection is 3G.
I don't know how to solve the problem - maybe it is only a display error...?
Is there a application with wich i can test (or see - that is better) how the phone is connecten (GPRS, 3G, HSDPA...)?
kind regards
srkonus
Please, I really need your help. If I took the phone to the guarantee service, they just reinstall roms or something, and nothing changes. I tried to download one radio rom from there http://developer.htc.com/google-io-device.html#s4 but when I am trying to flash it, the error appears and says, flashing aborted. I am using Amon RA racovery if that means something. So, maybe now you can help me?
Try to change your network only to GSM instead of GSM/WCDMA.
I tried that... I tried every option, which is associated with connection.
I have the same problem...
Here the thread
http://forum.xda-developers.com/showthread.php?t=646971
Htc Tattoo is a very very bad phone...
Yea, I've seen this. After a week about, when I return from the trip, I will took my phone to service. They wrote me that, if it is held more than a month, phone should be replaced with the new one.
I brought Tattoo as a birthday gift for my gf,now it bacome the excuse of being late when we date......because she said she can not call me on time. and I never help her solved the problem.(both of us major is telecommunication in the university,what a joke.)
anyway I read the above and other topics.
and try to
1 turn to 'only gsm',
2 manully select oprator, there appears two local oprators, but no radio button on the UI, I'm not sure if it means selected. (do this at where signal is strong)
3 I try to turn on/off 'fly mode' at somewhere no signal.
4 flash other later roms.
no use at all.
on my table signal none. at the window signal full.
but it just 2m between.
my new wildfire and O2 mda is OK on the table, 80% signal.
I like HTC,I just don't sell it as 2ed hand,(half price now......)
I heard flash the Radio can make it better or solved, any one know the details?

[Q] Lost 3G network connectivity after froyo upgrade

Hi everyone,
First I'd like to thank those fearless tinkerers that produced (and explained the how-to) the Froyo upgrades for the Huawei s7-104.
I actually bought the device only AFTER downloading the Indonesian upgrade (that was-and still is-the extension of my faith in you).
The process worked like a charm and I successfully checked and confirmed that the new version matched the claimed upgrade.
I later managed to root the device and now even enjoy a longer battery life thanks to CPU Master set on "on demand".
The only problems I encountered were:
- Sometimes the screen orientation gets stuck in horizontal or vertical and the device needs to be rebooted to unlock the orientation. This is minor and doesn't bother me that much.
-I have lost 3G connectivity and neither the carrier nor a mobile lab has managed to get a shred of data into the device with anything but WiFi.
The Network pane says that it's connected and should receive data.
The APN settings should now be reviewed and corrected since I brought the device to the carrier's office and, after their failure to fix the problem, to the lab (they told me they did anyway).
The SIM was then taken out and connected into another device. It received data merrily, proving satisfactorily (at least to the C.Y.A. carrier) that they could not help me further.
Everything else works beautifully, phone, WiFi, GPS, everything...
Any idea? I live in Mexico and the carrier is Movistar.
Thank you in advance.
Thimage
screen orientation quick fix
can't comment on the 3G problem din really face it
you can try flashing to another rom
Zmey Mod from Belarus! would be a good choice
for screen orientation just install shake n rotate from the market
it's just a quick fix which can settle the problem
Thanks for the shake'n rotate tip! I'll try it!
Never heard of the zmey mod from Belarus. Is it in english or in local lenguage? I'll try to find it anyway.
Anybody out there who's actually had the same network connectivity problem that I've had? Can't be the only one right?
Thanks again,
Thimage
Connectivity recovered
I finally recovered connectivity by looking for the right APN on the web and I found it here:
decibel-elektrobeat.blogspot.com/2011/04/3g-de-movistar-configurado-en-xperia.html
The reason why it didn't work before is because for some reason it is not enough to correct the APN after flashing the Rom. You have to delete it and create a new one.
It works fine now.
Thanks. T

[Q] Help with data and GSM losses of connection

I own a Verizon Motorola Razr M, bought in ebay to an US seller. I am in Spain and I use Movistar SIM card
The phone came with stock JB 4.1.2, and therefore I could not unlock the bootloader.
I started using it, but it had a problem that I am not been able to solve so far: after some hours of use, with no problems with GSM and data connections, it suddenly looses both connections, although the signals on the status bar still appear. I take care that signals have gone when I take the phone to make a call or surf the web.
I have tried the following procedures:
Change the net settings to GSM/UMTS
I rooted the phone with motochopper 1.1.2 exploit
I installed Safestrap 3.12 in order to be able to install other available locked compatible roms.
I tried these roms, following this thread here in XDA: Clean ROM 1.0. Clean ROM 1.1, Barebone New Base, Stock Deodexed.SDswap-Locked & UnLocked BLs-xt907-9.8.1Q-94-1, but no luck. This last one uses the last radio, but no way.
I also installed the [PATCH][GUIDE] Patch to fully enable GSM on Verizon CDMA Android phones. I could only install it on Clean ROM 1.1 however. It has been impossible to install it on the other ROMS. In any case, no luck again with the patch installed. Here I had a big problem because as I still had these problems, I got into *#*#4636#*#* in the dialer, and touched the band selection option: suddenly, the net showed no signal more and I was unable to make it work again: I finally solved this by installing the stock firmware from here with RSD lite.
No way. I still have this problem and I can not use the phone. I have also tried with another SIM card, but the problem remains. It is a shame because when the connection works, the phone runs very well.
Any help would be very appreciated
More details
errotaxar said:
I own a Verizon Motorola Razr M, bought in ebay to an US seller. I am in Spain and I use Movistar SIM card
The phone came with stock JB 4.1.2, and therefore I could not unlock the bootloader.
I started using it, but it had a problem that I am not been able to solve so far: after some hours of use, with no problems with GSM and data connections, it suddenly looses both connections, although the signals on the status bar still appear. I take care that signals have gone when I take the phone to make a call or surf the web.
I have tried the following procedures:
Change the net settings to GSM/UMTS
I rooted the phone with motochopper 1.1.2 exploit
I installed Safestrap 3.12 in order to be able to install other available locked compatible roms.
I tried these roms, following this thread here in XDA: Clean ROM 1.0. Clean ROM 1.1, Barebone New Base, Stock Deodexed.SDswap-Locked & UnLocked BLs-xt907-9.8.1Q-94-1, but no luck. This last one uses the last radio, but no way.
I also installed the [PATCH][GUIDE] Patch to fully enable GSM on Verizon CDMA Android phones. I could only install it on Clean ROM 1.1 however. It has been impossible to install it on the other ROMS. In any case, no luck again with the patch installed. Here I had a big problem because as I still had these problems, I got into *#*#4636#*#* in the dialer, and touched the band selection option: suddenly, the net showed no signal more and I was unable to make it work again: I finally solved this by installing the stock firmware from here with RSD lite.
No way. I still have this problem and I can not use the phone. I have also tried with another SIM card, but the problem remains. It is a shame because when the connection works, the phone runs very well.
Any help would be very appreciated
Click to expand...
Click to collapse
The problem also seems to become worse with the use of the phone: at the beginning, coming from a factory reset, It can last some hours before the problem occurs. But since it happens from the first time, it happens more and more frequently and the phone can not be used any more. It seems that there could be a software issue.
Another try disabling fast dormancy
I´ve just disabled fast dormancy, because my operator Movistar apparently does not use this technology.
For this, I have modified 3 lines from build.prop system file, as indicated in another site.
The 3 lines are:
ro.mot.ds.fastdormancy.disable=true
telephony.lteOnCdmaDevice=0
ro.telephony.default_network=3
Having fast dormancy enabled when your operator does not support it, seems to drain battery, and could cause other problems. That´s why I´ve done this. I have used root explorer apk from Google store, it is free and it automatically creates a backup of build.prop file when you modify it.
I keep the fingers crossed, let´s see what happens.
Fast dormancy: yes but...
After some days using the phone with fast dormancy disabled (for this, I also added this line to build.prop: ro.ril.fast.dormancy.rule=0 ; I read this for ICS Roms, I do not know if this command is also valid for JB, any comment will be welcome), I still get some cuts (less I would say), but at least the phone tries to restart the connections. For this, I have also installed the apk from Google Play called 3g reconnect.
In any case, any comment would be appreciated.
Issue not solved
I still get data and voice disconnections when I use GSM/UMTS or only UMTS modes. They occur ransomly, and they also occur as soon as I use a WIFI connection. I can only use the phone on GSM only mode, which is frustrating.
Any advise?
errotaxar said:
I still get data and voice disconnections when I use GSM/UMTS or only UMTS modes. They occur ransomly, and they also occur as soon as I use a WIFI connection. I can only use the phone on GSM only mode, which is frustrating.
Any advise?
Click to expand...
Click to collapse
I do not go near *#*#4636#*#* anymore. So tell me do you use that to make these changes (phone info is the app name).
Choosing GSM/UMTS or GSM only
aviwdoowks said:
I do not go near *#*#4636#*#* anymore. So tell me do you use that to make these changes (phone info is the app name).
Click to expand...
Click to collapse
Hello,
I have tried both: using *#*#4636#*#* or using the usual phone settings. Sometimes I have also checked that the changes made with the usual settings appeared also dialing *#*#4636#*#*.
Yesterday evening, I tried selecting global mode instead of GSM/UMTS and it seemed to work for some hours, but today morming, the problem occured again. So far, the unique way I have found to avoid connection cuts off is using GSM ONLY mode. I have to say that I have tried with 2 different SIM cards but the result is identical.
errotaxar said:
.
Click to expand...
Click to collapse
Did you select the 3 dot menu & mess with the "band" settings?
---------- Post added at 07:08 AM ---------- Previous post was at 06:56 AM ----------
http://forum.xda-developers.com/showthread.php?t=2346623
I did that once, and all the signals disappeared. I restored the phone with RSD Lite, that appeared to be the unique way to have again signals working. Now I do not even dare touching these 3 dots.
errotaxar said:
I did that once, and all the signals disappeared. I restored the phone with RSD Lite, that appeared to be the unique way to have again signals working. Now I do not even dare touching these 3 dots.
Click to expand...
Click to collapse
What booby a trap? How many step into!
I don´t know if I am understanding you. I did that once because I did not know what else should I do to solve the problem. I saw that there was the possibility to choose theoritically between US bands and Cellular, and I entered in that menu. It is not so stupid to try that if you have already tried 100 other ways.
In any case, anybody has an idea about how to solve this problem? I´m sure I am not the unique person having this issue with this phone.
errotaxar said:
I don´t know if I am understanding you. I did that once because I did not know what else should I do to solve the problem. I saw that there was the possibility to choose theoritically between US bands and Cellular, and I entered in that menu. It is not so stupid to try that if you have already tried 100 other ways.
In any case, anybody has an idea about how to solve this problem? I´m sure I am not the unique person having this issue with this phone.
Click to expand...
Click to collapse
You are saying the problem is now still there. Yet the radio partition is fixed. Please restate what has been fixed with the rsd flash & what remains unfixed.
Well I think I have fixed and solved the problem: I initially copied the APN settings I had with my previous HTC Sensation, because the phone operator was the same (MOVISTAR), the SIM card too, and I have not moved. In these APN settings, the proxy was "undefined" as well as the proxy gate. I wonder if the radio stucks looking for a proxy each time or whatever. I tried yesterday with completely different APN settings, with a concrete Proxy and a gate... and now I have not had any issue in the past 24 hours. I will still wait a couple of days to see if that was finally the reason.
Which in any case would be silly, because I just applied what was working OK with my sensation, but...
New APN settings: let´s see
Well I think I have fixed and solved the problem: I initially copied the APN settings I had with my previous HTC Sensation, because the phone operator was the same (MOVISTAR), the SIM card too, and I have not moved. In these APN settings, the proxy was "undefined" as well as the proxy gate. I wonder if the radio stucks looking for a proxy each time or whatever. I tried yesterday with completely different APN settings, with a concrete Proxy and a gate... and now I have not had any issue in the past 24 hours. I will still wait a couple of days to see if that was finally the reason.
Which in any case would be silly, because I just applied what was working OK with my sensation, but...
After several days, the problem is still there. After setting new values in APN, it happens less often, but it still happens. I have to switch to GSM only mode.
2 days ago, I was surfing the net at quite high speed with no interruptions, for half an hour. I then shutted off the screen, on again some seconds later, and the connection was blocked, I had to restart the phone. It has to be a software issue.
I finally sold the phone
After concluding that I could never get rid of this problem, I sold the phone, informing that he would have to use mainly GSM only connection. Great phone otherwise, but with this issue.
This sounds like a Baseband Issue.
Europe I have found baseband:
sm_bp_101031.027.32.81P to be the most stable so far, with no H+ support though.
But most Carriers in Europe don't have H+ or LTE.
That baseband is part of build 9.8.1Q-66
Which can be all downloaded here:
http://sbf.droid-developers.org/phone.php?device=8
The baseband from 98.16.1 had H+ support in Europe but connections dropped like crazy.
Same with 98.12.4, we remedied that with Aussie Radio at the time.
Maybe this may help some International users with Data and GSM Loss
Germanese said:
This sounds like a Baseband Issue.
Europe I have found baseband:
sm_bp_101031.027.32.81P to be the most stable so far, with no H+ support though.
But most Carriers in Europe don't have H+ or LTE.
That baseband is part of build 9.8.1Q-66
Which can be all downloaded here:
http://sbf.droid-developers.org/phone.php?device=8
The baseband from 98.16.1 had H+ support in Europe but connections dropped like crazy.
Same with 98.12.4, we remedied that with Aussie Radio at the time.
Maybe this may help some International users with Data and GSM Loss
Click to expand...
Click to collapse
I'm on 9.8.1Q-94-1(98.30.1.XT907.Verizon.en.US) and wanna use it in Germany. any experiences with the radio compared to the suggested one. Or is there another way to boost the performance of the razr m? Compared to my razr I the signal and data quality is really poor...
edit: my baseband-version is: SM_BP_101032.021.32.80P
edit2: ok... now i've flashed several basebands... and the behaviour of the phone is always the same... with the australian baseband of xt905 it wasn't possible to get an hspa-connection. dunno if its enough just to flash the radio-fw?!?!?
so is there an other way to get more stability in my region? i tried to flash the radio from razr hd retail germany. but i think the razr m don't like it when I fool around. actually I love the mobile, so i don't want to make it angry... your suggestions are very much appreciated...

[HELP] Jio 4g. Horrible Connection.

The data connection on my phone goes away after every few mins. It's very unstable. Also all of a sudden there's no VOLTE. I've tried all APN methods. I was previously on Mokee, and the problem started. I went back to miui, the problem was solved for the evening. But it started again.
If anyone has any solution. Please help. I cant even call using 4gVoice app. I want a permanent solution .
All help is appreciated. Thanks in Advance!
It's jio's problem
Hopefully will get resolved till march
a5tra said:
It's jio's problem
Hopefully will get resolved till march
Click to expand...
Click to collapse
The sim worked fine on k6 power.
I solved it by going back to miui and then flashing mokee.
Yet, it's surprising that it happens so randomly.
Probably something to do with default APN.
WickedCool19 said:
The data connection on my phone goes away after every few mins. It's very unstable. Also all of a sudden there's no VOLTE. I've tried all APN methods. I was previously on Mokee, and the problem started. I went back to miui, the problem was solved for the evening. But it started again.
If anyone has any solution. Please help. I cant even call using 4gVoice app. I want a permanent solution .
All help is appreciated. Thanks in Advance!
Click to expand...
Click to collapse
Even I'm facing the same problem with my Redmi 3s prime. It happened with resurrection remix rom and I flashed miui again. But didn't work. I tried different methods, but none worked. One of my friend said that jio by default takes band 5 for better coverage which trades-off with connection speed(low internet speed). One way is, to switch the band from 5 to 3 or 40, which might improve speed. This can be done in something called "service mode" in the phone. He had LG G3 and used some secret key in phone dialler to access service mode. That key however didn't work with Redmi 3s prime. I'm still searching for one.
arceuss said:
Even I'm facing the same problem with my Redmi 3s prime. It happened with resurrection remix rom and I flashed miui again. But didn't work. I tried different methods, but none worked. One of my friend said that jio by default takes band 5 for better coverage which trades-off with connection speed(low internet speed). One way is, to switch the band from 5 to 3 or 40, which might improve speed. This can be done in something called "service mode" in the phone. He had LG G3 and used some secret key in phone dialler to access service mode. That key however didn't work with Redmi 3s prime. I'm still searching for one.
Click to expand...
Click to collapse
Thanks for the reply.
Though it's more about VOLTE, it's not working. Even if it does work with a certain rom, it goes away after a few reboots.
FYI: I don't have fluctuating connection anymore.
Though I really wish that there was a proper solution for VOLTE
WickedCool19 said:
The sim worked fine on k6 power.
I solved it by going back to miui and then flashing mokee.
Yet, it's surprising that it happens so randomly.
Probably something to do with default APN.
Click to expand...
Click to collapse
Turn off volte if it still persists
I'm using multi ROM
Working fine
a5tra said:
Turn off volte if it still persists
I'm using multi ROM
Working fine
Click to expand...
Click to collapse
But I do need volte.
For now I'm on the latest LOS, and everything is working fine for now.
A small tip to anyone reading this, never greenify any Qualcomm, and codeaurora service.
Bad news - u are not alone. Look at this: http://en.miui.com/thread-320293-1-1.html
hacel said:
Bad news - u are not alone. Look at this: http://en.miui.com/thread-320293-1-1.html
Click to expand...
Click to collapse
Thanks for the reply.
Though, for now, the problem is solved.
I'm on the latest lineage OS, and have hardly faced signal drops. Volte too seems to be working fine now.
Miui seems to lock our bands at 800mhz which hinders the net speed, switching to 3g/2g in low network areas, to maximize network coverage.
That can be tackled, if you use an app called 'network signal guru' , to lock the bands to a higher frequency, for preference to Internet. Requires root though.
Hope that helps you.

[H870] Can't turn on radio signal - no cell reception

Hi everyone, my H870 has seemingly given up on me out of the blue since about two days ago and refuses to connect to mobile networks, or even to search for them for that matter (trying to manually search for networks give back an error). I'm afraid the issue might be hardware-related which would be a shame as the phone is otherwise fine. I've tried changing ROMs (going from and old AEX AOSP to LineageOS, with full wipe) as well as kernels (Melina reborn for AOSP), to no avail.
Switching sim cards also didn't change anything, the sim is detected and it asks for PIN but then no network, which leads me to think it's a radio chip issue. Activating radio in the *#*#4636#*#* menu doesn't prompt the usual restart, and auto-untoggles if i go into another app then come back to it... IMEI is fine and not corrupted.
I'm really close to giving up on this phone and buying another one, but I thought maybe you guys would have another idea of something to try that could work before I do that. Couldn't find any similar threads on that matter but please point me in the right direction if this issue has popped up before !
Thank you in advance for your help.
EDIT : Flashed original firmware (H87030a_00_OPEN_EU_OP_0829.kdz), to no avail... I believe this is the end of the road for this phone and judging by the lack of answers you guys do as well haha
H873, should not have reset. Now i dont know too

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