Htc desire 820u network bands locked - Desire 820 Q&A, Help & Troubleshooting

Good evening please help me out bought an htc desire820u but cant connect to 3g or 4g . after some research i found out that the network bands were locked so am kinda stuck please help

dmutaasa said:
Good evening please help me out bought an htc desire820u but cant connect to 3g or 4g . after some research i found out that the network bands were locked so am kinda stuck please help
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Hello just install twrp recovery and then flash a twrp backup. This should get you fixed. You'll get tutorials on how to flash twrp recovery and twrp backup on xda just look for it.

Hey thanks for the response just wanted to find out if flashing the ROM could fix the network issues

Dear Vivacity
are you able to receive and make calls?

Related

sim icon with a x shown? ls980 not recognizing sims

Ok guys i just bought a lg g2 ls980 unlocked and was using it with AtnT great but i decided to install a ls980zv8 firmware and now is not recognizing my atnt sim card and it shows a simcard icon with a red X on it anyone know if the phone got locked again or the sim card port got damage? ive looked everywhere for a solution and no luck.. tried permanent unlock method and nothing,, im rooted right now and i cant even flash a TWRP recovery to try to flash a different rom either ( PLEASE ANYONE HELP!! Im phoneless for a week and im dying here
smallyetzon said:
Ok guys i just bought a lg g2 ls980 unlocked and was using it with AtnT great but i decided to install a ls980zv8 firmware and now is not recognizing my atnt sim card and it shows a simcard icon with a red X on it anyone know if the phone got locked again or the sim card port got damage? ive looked everywhere for a solution and no luck.. tried permanent unlock method and nothing,, im rooted right now and i cant even flash a TWRP recovery to try to flash a different rom either ( PLEASE ANYONE HELP!! Im phoneless for a week and im dying here
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you will have to find a AOSP rom with GSM unlock the sprint firmware WILL NOT accept any domestic GSM network
Jbcarrera said:
you will have to find a AOSP rom with GSM unlock the sprint firmware WILL NOT accept any domestic GSM network
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i want to do that but i cant get to flash a twrp recovery so i can flash a rom can u help? i tried freegee, goomaneger, twrp apk and no luck i used to flash it so easy with odin on my gs3 but lg is complicated
smallyetzon said:
i want to do that but i cant get to flash a twrp recovery so i can flash a rom can u help? i tried freegee, goomaneger, twrp apk and no luck i used to flash it so easy with odin on my gs3 but lg is complicated
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Click to collapse
are you still on the ZV8 Firmware?

GT-i9195 imei is 0 / 01

hello everyone, my friend got this phone and he was using all the time the 2G network. i am from greece, when i got the phone i saw that there was no 3g network. the phone was getting only 2g network. when i checked the imei i wsaw that it had the format 0 /01, i tried to fix it with any solutions but i couldnt, the phone was not even rooted before. i rooted it. tried lots of things but couldnt manage to fix anything.
if anyone knows how to restore the imei please tell me.
If you previous don't have a back-up, you're screwed. You need a special tool box to insert the IMEI back. As the phone progress, it becoming increasingly hard to restore IMEI by just ADB. Plus its against forum rule.
leonleonleon said:
hello everyone, my friend got this phone and he was using all the time the 2G network. i am from greece, when i got the phone i saw that there was no 3g network. the phone was getting only 2g network. when i checked the imei i wsaw that it had the format 0 /01, i tried to fix it with any solutions but i couldnt, the phone was not even rooted before. i rooted it. tried lots of things but couldnt manage to fix anything.
if anyone knows how to restore the imei please tell me.
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leonleonleon said:
hello everyone, my friend got this phone and he was using all the time the 2G network. i am from greece, when i got the phone i saw that there was no 3g network. the phone was getting only 2g network. when i checked the imei i wsaw that it had the format 0 /01, i tried to fix it with any solutions but i couldnt, the phone was not even rooted before. i rooted it. tried lots of things but couldnt manage to fix anything.
if anyone knows how to restore the imei please tell me.
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Click to collapse
use this app its free in play store his names mobile unkle mtk tools and write the imei from the engenier mode manually

Bootloop on Desire 816G dual sim

Please i need urgent help, the desire 816 is my only device so i need help.
I tried to install a custom ROM for my device but it was'nt for the 816G so now i have a phone that whenever i try to boot it up, get's stuck on bootloop all i can access is the CMW and i have no backup file to restore it ... Please if anyone knows how i can fix this tell me how, i already have the RUU for this device but i don"t know how to flash it, with which flash tool ? and if the phone will be detected if i connect via USB.
Ridoutounsi said:
Please i need urgent help, the desire 816 is my only device so i need help.
I tried to install a custom ROM for my device but it was'nt for the 816G so now i have a phone that whenever i try to boot it up, get's stuck on bootloop all i can access is the CMW and i have no backup file to restore it ... Please if anyone knows how i can fix this tell me how, i already have the RUU for this device but i don"t know how to flash it, with which flash tool ? and if the phone will be detected if i connect via USB.
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Hi have you resolved your problem? If not let me know I will help you.
single sim 816...
Heeralall said:
Hi have you resolved your problem? If not let me know I will help you.
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I have bootloop problem with single sim 816...
nemesis666999 said:
I have bootloop problem with single sim 816...
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Please tell me your exact phone model.
You can find all that's needed to flash an 816g (MT6592) dual-SIM device on this site.
If your device is in bootloop, watch this video to learn how to disconnect the battery, so your device can be shut down. SP Flash Tools will only work, if your phone is completely shut-down, otherwise it will continue to bootloop and your pc/the flashtool won't connect.
nukaru said:
You can find all that's needed to flash an 816g (MT6592) dual-SIM device on this site.
If your device is in bootloop, watch this video to learn how to disconnect the battery, so your device can be shut down. SP Flash Tools will only work, if your phone is completely shut-down, otherwise it will continue to bootloop and your pc/the flashtool won't connect.
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Under Desire 816, there are many variants... @nemesis666999 will have to tell his EXACT phone model..which a5_xxx model do you have?
There is no other variant of desire d816G. This device is one of a few other models with an mtk processor.
If it's really a desire d816G dual sim, only the method I posted before will work.
Besides, he posted in the wrong thread to begin with. 816G is dual sim, he posted he's got a single sim version.
Htc desire 816 (A5_DWG) stuck in bootloop.
hey there, just wanted to know is this helpful for my htc d816 a5_dwg as well. cause even its stuck in a boot loop. for some reason I don't know what my phone goes black every time I try to enter recovery mode. I flashed a twrp.image file and since then its stuck in a boot loop. please help. and also if u could comment on the blank screen problem.

Need a Rom developper expert !!!!!

Hi everyone !
I got my M9 few weeks ago, it was network unlock , virgin network, but it was working perfectly in europe network as unlocked phone,
the problem start when i tried to install custom Rom on it, the official rom was a Virgin network rom, so always ask for login passwrod to virgin network ( while i use europian network ) ...
the phone was already S-Off, so i just root it and install a custom rom, using Twrp V3 , it work perfectly but without network !!! the phone can't see any network now ... it look like it see the sim card but still without any network access ... gsm or 4g - 3g ...nothing, even i can't search for a network..the option is disabled ...
So any help please?????
i'm bigener so i need step by step help.
Thx a lot
:highfive::highfive::highfive::highfive:
alaahafez said:
Hi everyone !
I got my M9 few weeks ago, it was network unlock , virgin network, but it was working perfectly in europe network as unlocked phone,
the problem start when i tried to install custom Rom on it, the official rom was a Virgin network rom, so always ask for login passwrod to virgin network ( while i use europian network ) ...
the phone was already S-Off, so i just root it and install a custom rom, using Twrp V3 , it work perfectly but without network !!! the phone can't see any network now ... it look like it see the sim card but still without any network access ... gsm or 4g - 3g ...nothing, even i can't search for a network..the option is disabled ...
So any help please?????
i'm bigener so i need step by step help.
Thx a lot
:highfive::highfive::highfive::highfive:
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Have you checked the APN settings? Make sure the APN is correct and selected.
bigp951 said:
Have you checked the APN settings? Make sure the APN is correct and selected.
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actually the APN option is disabled, the network selection as well ... as the phone not detect at all any network. !!!
Have you tried *#*#4636#*#* in the dialer? If not try that and select the options that apply.
Sent from my HTC One M9 using XDA-Developers mobile app
Try flashing the boot.img from the stock Virgin rom to the custom rom
Sent from my 0PJA2 using XDA-Developers mobile app

No network after flashing my s20 ultra

Hello everyone.
I bought a used s20 ultra with android 10
Everything ok network ok calls and everything ok
but can't check for update always tell me registration failed
So i flash with odin but unfortunately network didn't work after flashing
So i flashed another rom network appears but cant make calls or internet
Now my phone works good but no network
Don't know what to do
All what i have now imei 1 imei 2 sn
I don't also remember the original rom come with phone
I flashed the phone without check my old version
Very sad of all this
And dont know what to do
Any help
Ahmedzizo0 said:
Hello everyone.
I bought a used s20 ultra with android 10
Everything ok network ok calls and everything ok
but can't check for update always tell me registration failed
So i flash with odin but unfortunately network didn't work after flashing
So i flashed another rom network appears but cant make calls or internet
Now my phone works good but no network
Don't know what to do
All what i have now imei 1 imei 2 sn
I don't also remember the original rom come with phone
I flashed the phone without check my old version
Very sad of all this
And dont know what to do
Any help
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May be this can help:
I had the same problem abroad. Check settings with your provider are right.
I couldn't find wifi, because my settings using phone abroad where out.
Idebutterpiep said:
May be this can help:
I had the same problem abroad. Check settings with your provider are right.
I couldn't find wifi, because my settings using phone abroad where out.
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Thanks bro
But still not
Update 1
Flashing new rom and network appear but cant make calls or anything
Another problem

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