Develop Bugs

[q] unlocked i-317 no signal overseas

Hello everybody,
I need your help please, I just bought a Galaxy note 2 from china, under the battery, i have GT-N7100 Model Number,
but when i am at Download Mode , my phone is I-317, i tried to install an AT&t stock frimware to make sure its original i-317, and everything was just fine, i got my phone flashed via ODIN, with original att latest frimware, but unfourtionately; i have no signal, unless i flash custome rom i got signal for 2-3 minutes and thin NO SIGNAL AT ALL, my imei is ok, my baseband is also ok, but i have no ideia what should i do in order to get it fixed,
NOTE: I always bye At&t phones and i have no problems att all in my country since its the same frequency,,, \
thank you.

Perhaps you need to check your APN settings ??
And verify you have the correct modem for your region....g

No signal
gregsarg said:
Perhaps you need to check your APN settings ??
And verify you have the correct modem for your region....g
Click to expand...
Click to collapse
Thanks for your response, but i don't have signal at all, but the phone automatically detects my apn settings, and can read the sim card, but there is no signal, it might be the modem, but i tried tmobile modem and att modem neither one was working.

same issue here

Fails to connect to network

unlocked GSM gnex. I believe it was previously used on At&t in the US. Currently has a T-mobile SIM. For whatever reason, can not connect to the network at all.
I flashed it to stock 4.3 yakju images, and updated the radios to I9250UGLL1.
SIM card definitely works.
Any other ideas?

Do you have a valid IMEI?

lkeops said:
Do you have a valid IMEI?
Click to expand...
Click to collapse
15 numbers long, seems so.

hey
I found flashing the ROM your on again usually works.

Reboot to bootloader and check which variant do you have. Maguro?
To be 100% sure, please post all info from bootloader screen.

[Q] Newly unlocked s3

Hi everyone. I just want to ask a question about my s3. So here is the scenario:
I brought my s3 locked to rogers to a CP technician and asked him if he could unlock my s3, he then told me that he can unlock it even though it is in 4.3 firmware. I don't know what he did but the only thing that I know is that he upgraded my s3 to 4.4.2 and he also rooted it. When he gave it back to me, I can already use any sim card so I guess that the unlocking is successful. The problem occured when I got home, my phone says it is in emergency calls only so i tried to toggle airplane mode on/off if it would fix the problem and it fixed it, I can call my phone again but then after 30 secs of toggling airplane mode to off, it would eventually cant receive or make calls or text. But when i toggle airplane mode on/off again, it can receive or make calls and texts but after 30 secs the problem occurs again. I go back to the CP technician to ask him what's happening but when I'm in their area, the phone works like a charm. I don't even need to toggle airplane mode on/off. And it can also receive or make calls/texts in their area. But when I go back to our place the problem occurs again.
BTW, my ImEI is still the same at the back of the phone if this info is needed.
Thank you everyone and i hope my problem will be solved.

Can you change network modes on the phone?

audit13 said:
Can you change network modes on the phone?
Click to expand...
Click to collapse
Yes I can change network modes, and everytime I change, the problem occurs too. It'll work for 30 secs then after 30 secs I cant receive and send text/calls.

Did it do this before unlocking?

audit13 said:
Can you change network modes on the phone?
Click to expand...
Click to collapse
audit13 said:
Did it do this before unlocking?
Click to expand...
Click to collapse
No sir. I can still do it even after unlock

So the signal was bad near your house before and after unlocking?

audit13 said:
So the signal was bad near your house before and after unlocking?
Click to expand...
Click to collapse
No sir, I can even get a full signal on my phone but then it can't send or receive text messages and calls

poqi_ako said:
No sir, I can even get a full signal on my phone but then it can't send or receive text messages and calls
Click to expand...
Click to collapse
So your phone behaved this way before and after unlocking?
What baseband is on your phone?

audit13 said:
So your phone behaved this way before and after unlocking?
What baseband is on your phone?
Click to expand...
Click to collapse
it is just after unlocking because i've never used it yet with its rogers sim card, this phone was just given to me by my aunt and I live in different country. Before unlocking it does not have this kind of problem, my aunt can use it with its original rogers sim card fine.
Btw. The baseband of my phone is I747MVLUNF2

Is the bootloader the same?
There is updated firmware on sammobile.com for the i747m.

audit13 said:
Is the bootloader the same?
There is updated firmware on sammobile.com for the i747m.
Click to expand...
Click to collapse
the bootloader is still the same. If updated my firmware, i think my phone won't be unlocked already.

Once the phone is unlocked, it will remain permanently unlocked.

audit13 said:
Once the phone is unlocked, it will remain permanently unlocked.
Click to expand...
Click to collapse
Thank you for the reply mate, I will try to update my phone, should I still use the rogers i747m rom?
another question, can i try to install other roms like cyanogenmod or other custom roms, will it still be unlocked? do you have any suggestion for a good rom? Thanks mate. cheers

You can flash a stock Rogers ROM. After that, you can install Philz Touch recovery, backup your current ROM, flash another a custom ROM (I like Liquidsmooth), and try it out. If you want to go back to stock, boot into recovery, and restore your backup.

audit13 said:
You can flash a stock Rogers ROM. After that, you can install Philz Touch recovery, backup your current ROM, flash another a custom ROM (I like Liquidsmooth), and try it out. If you want to go back to stock, boot into recovery, and restore your backup.
Click to expand...
Click to collapse
Hi sir, I found out that I'm on the latest firmware already, it's 4.4.2 already so i don't need to get it from sammobile already, will i just skip the flashing on stock rogers rom step and proceed already in installing Philz Touch recovery to install a new rom. Thank you so much sir.

Connect via wifi and install any ota updates. Then install philz and a custom rom. You may also need to install gapps if they are not included in the rom.

My LG G3 only connects to Edge network

Hello guys.
After a couple of days reading on the internet without success I decided to share my problem here.
I bought a LG g3 D850 32 gb on eBay, once I received it I was so happy enjoying the 4g LTE network, the speed was amazing.
Regrettably, one day all this happiness disappeared, now I only have Edge connection, I don't have 3g, hsdpa or 4g, I only get the awful Edge.
I have tried using my sim card on other phone and I get 3g and hsdpa (that phone does not have 4g) so the problem is on the G3.
I have to say that I have the phone with the stock rom and the only change I've done was to root it with kingroot and deleted (disable) some at&t apps. I thought this was the problem so I restored to factory defaults but the problem did not disappear.
I was thinking in to return the phone but I am in Chile so is a little hard.
I will be grateful if some one could help me with this issue.
I will be waiting for your comments
Thanks on advance

:crying:

What model number/version/baseband/etc.
What's your base network and are you sure your APN settings are correct?

nickf4rr said:
What model number/version/baseband/etc.
What's your base network and are you sure your APN settings are correct?
Click to expand...
Click to collapse
Hi Nick,
This is the Software info:
Android Version: 5.0.1
Baseband Version: MPSS.DI.2.0.1.c1.13-00058-M8974AAAAANPZM-1
Kernel Version: 3.4.0
Build Number: LRX21Y
Software Version: D85021r
Security Software Version: MDF v1.1 Release 3
I do not understand what the base network is. Is my cellullar provider?
The APN settings are OK. I didn't change anything.
I had all the connections and suddenly I lost 3 and 4 g and only get Edge.
I didn't change anything. I rooted the phone with KingRoot but I am not sure if the problem started in that moment.
I have made the Factory Data Reset a couple of times and the problem continues.
My Sim Card works fine in other cell phone.
Please Help!!!!

Oyopio said:
Hi Nick,
This is the Software info:
Android Version: 5.0.1
Baseband Version: MPSS.DI.2.0.1.c1.13-00058-M8974AAAAANPZM-1
Kernel Version: 3.4.0
Build Number: LRX21Y
Software Version: D85021r
Security Software Version: MDF v1.1 Release 3
I do not understand what the base network is. Is my cellullar provider?
The APN settings are OK. I didn't change anything.
I had all the connections and suddenly I lost 3 and 4 g and only get Edge.
I didn't change anything. I rooted the phone with KingRoot but I am not sure if the problem started in that moment.
I have made the Factory Data Reset a couple of times and the problem continues.
My Sim Card works fine in other cell phone.
Please Help!!!!
Click to expand...
Click to collapse
I had the same problem when I switched the operator. Went there and the man there tried everything but nothing helped. Last thing he suggested was to do a software update, did it an 4G speed came back

jeanette1986 said:
I had the same problem when I switched the operator. Went there and the man there tried everything but nothing helped. Last thing he suggested was to do a software update, did it an 4G speed came back
Click to expand...
Click to collapse
I am waiting for Marshmallow update, I hope not to kill my self while I am waiting
I think I will try changing the ROM.
But is so weird the problem because I had 4g and I did't change anything :crying:

I do not understand what the base network is. Is my cellullar provider?
Click to expand...
Click to collapse
Yes, your cellular provider. What's your cellular provider and what's your APN? Is your sim from AT&T, a foreign provider or from a Chilean network? Does the APN match the SIM provider's APN?
I'm thinking that it's either an APN problem or a band switching problem (since you disabled some AT&T apps) or you just ran through your allotment of 4G data under your contract.
If you've tried your SIM very recently in a friend's phone and it works just fine, then it's probably not a data allotment problem.

nickf4rr said:
Yes, your cellular provider. What's your cellular provider and what's your APN? Is your sim from AT&T, a foreign provider or from a Chilean network? Does the APN match the SIM provider's APN?
I'm thinking that it's either an APN problem or a band switching problem (since you disabled some AT&T apps) or you just ran through your allotment of 4G data under your contract.
If you've tried your SIM very recently in a friend's phone and it works just fine, then it's probably not a data allotment problem.
Click to expand...
Click to collapse
I am using a chilean provider with the correct APN, the same I used from the first day when 4g were working fine and the same.
Yesterday I tried mi sim card in other cellphone and I got 4g without problem. I checked the apn and they was the same.
Now I tried with tho different ROMs, I changed the kernel and the modem and I'm still get only EDGE :crying::crying:
I do not know what to do. I think the cellphone is bad

I'm guessing that you may have disabled something when you were deleting the AT&T bloatware. You've got a D850, right?
As @trickie69r has mentioned in a previous thread, try downloading your KDZ direcly from LG's Servers using: http://csmg.lgmobile.com:9002/csmg/b...XXXXXXXXXXXXXX
(Replace XXXXXXXXXXXXXXXXX with your own IMEI, which can be found by dialing *#06* in Dialer)
Take a screenshot of your About Phone > Software Info tab before and after and see if anything changes.
Buena suerte!

nickf4rr said:
I'm guessing that you may have disabled something when you were deleting the AT&T bloatware. You've got a D850, right?
As @trickie69r has mentioned in a previous thread, try downloading your KDZ direcly from LG's Servers using: http://csmg.lgmobile.com:9002/csmg/b...XXXXXXXXXXXXXX
(Replace XXXXXXXXXXXXXXXXX with your own IMEI, which can be found by dialing *#06* in Dialer)
Take a screenshot of your About Phone > Software Info tab before and after and see if anything changes.
Buena suerte!
Click to expand...
Click to collapse
Thank you Nick.
I have flashed some Roms, and the problem did not solve.
I have tried to download the stock rom but I can't download it from the link you send me. I can't find D850 stock rom.
Do you have other link to get it?

Oyopio said:
Thank you Nick.
I have flashed some Roms, and the problem did not solve.
I have tried to download the stock rom but I can't download it from the link you send me. I can't find D850 stock rom.
Do you have other link to get it?
Click to expand...
Click to collapse
Did you try using the ROM in this thread, or just installing the AT&T apps to see if those worked?

nickf4rr said:
Did you try using the ROM in this thread, or just installing the AT&T apps to see if those worked?
Click to expand...
Click to collapse
Yes I tried that rom and stock kit kat and nothing works.
I think the cell phone is defective because I have other LG g3 and works fine

Problem with 2G network.

Hello everybody! I have a problem. When I am in 2G network, network signal is good, but no one can call me. SMS is incoming and internet works. But no calls. Sometimes and me can't even be able to call. What is the problem? With 3G network no problem.
Device - T999N.
I live in Uzbekistan. Operator is Beeline Uzbekistan.

Is the phone running the latest bootloader and modem? Which ROM is installed?

Modem T999NUVUBOH1.
Now installed RR от d2att. But I've try CyanogenMod, LiteRom, OctOs. And STOCK that was, I do not remember.
And what do you mean with the bootloader?

The bootloader is what allows the phone to boot the ROM. It's similar to a computer BIOS.
This happens on the stock ROM too?

audit13 said:
The bootloader is what allows the phone to boot the ROM. It's similar to a computer BIOS.
Click to expand...
Click to collapse
I now about Bios. Bootloader is kernel in custom roms?
audit13 said:
This happens on the stock ROM too?
Click to expand...
Click to collapse
I don't remember. Bought and immediately flashed custom.

Bootloader is not the kernel. The Kernel is part of the operating system.

Well, now I'll try to change the bootloader. Can you give the actual link?
And it will not break unlock?

The simplest way to update everything on the phone would be to flash a stock ROM from sammobile.com. Flashing a stock ROM should not re-lock the phone to a carrier. I have used several Samsung phones in the past and, once the phone has been network unlocked, it has stayed unlocked.
Before flashing anything, confirm the phone's model # in download mode.

audit13 said:
The simplest way to update everything on the phone would be to flash a stock ROM from sammobile.com. Flashing a stock ROM should not re-lock the phone to a carrier. I have used several Samsung phones in the past and, once the phone has been network unlocked, it has stayed unlocked.
Before flashing anything, confirm the phone's model # in download mode.
Click to expand...
Click to collapse
I flashed T999NUVUBOH1_T999NTMBBOH1_TMB from Sammobile. But Phone is bootlooped. It shows only logo MetroPCS Wireless for all and notification LED lights.

Phone is booted. But in stock also I can't call in the EDGE network.

Does the carrier have 2g for voice calls? I know that 2g is being eliminated in the USA.

audit13 said:
Does the carrier have 2g for voice calls? I know that 2g is being eliminated in the USA.
Click to expand...
Click to collapse
Oh sure. Half of the our country works in 2G.

Hmm, I'm not sure why 2g calls don't work as the s3 definitely supports 2g.