I have MImax pro 3gb/64gb but I mistakenly selected USA Band on the network and since then network disappears from my phone.
I have tried flashing a fastboot of old miui version 8.1.4 and now flashed back to the latest MIUI 8.2.0 yet the radio band is yet to receive signal. Although sim card directory is showing.
How can I fix this please?
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Dear all, I have M8sd China telecom version. Flashed M8st Rom to try and working but no 4g. So tried pressing *#*#4636#*#* and selected USA Band. No signal detected. Factory reset and restored M8sd backup didn't help. Still without any signal. Please help!
I Have the same problem
I have enabled other band selection (other than USA and 800mhz) from the unlocking band in the Sony thread. Chosen Euro band and is working normally now.
Here is the link. http://forum.xda-developers.com/showthread.php?t=2871269
Hi all. I am completely stuck. I've been trying to unlock wcdma band to work on China Unicom for 2 days. Flashed alot of stuff without success. Nightly cm12, phandroid 5, cm 11s, and ALOT of different modems that were suggested.
Now, no matter which rom I flash, there is no signal at all. Wifi only works on Official CM 11s .
Please Help.
Edit: In the *#*#4636#*#* When I try to change to original band I cannot. Its stuck on WCDMA. Also In mobile networks, change to 2G from 3G it stucks on 3G. Can I change somewhere to unstuck this?
Sir I purchased a new unlocked S6 Edge ( 925A) at&t device from abroad to use in india.
The guy told it's fully unlocked and it support any sim card. Buy when I checked with Indian Sims I am getting only 2g signals .. I am not getting 3G and 4g signals..
When I checked for network selection mode settings it's missing in the settings.
No software OTA update is available. . I think it's also disabled.. when I checked the device status it is in "custom"..
So if I flash a stock ROM with Odin will it lock again ?
Do I need to unlock it again.. ??
First check the model from bootloader, if its actually a att variant then you can flash a stock rom too make it work as normal, but if its some other variant then get back to this thread again.
Its surely an at&t Variant of Samsung Galaxy S6 EDGE.. its model number is 925A.. which is only available for ATT..
Its baseband version is G925AUCU1AOCE
I purchased this phone as fully unlocked from UAE but in india when i start to use it i came to know that its not taking 3G and 4G signals .. but 2g Signal and Data services are working fine..
I got the phone in rooted condition without any Boot animation of At&t. Since its rooted i am not getting any official updates.
I am also facing many software bugs.. from different apps..
So really want to flash the phone with a new stock rom for using it..
I have some doubts about it please clear it..
1) if i flash it with an official att stock rom will it lock again for att network ?
2) can i remove the att boot animation after flashing with stock rom ?
Sent from my SM-925A using XDA Free mobile app
Providers in India use bands 3, 40, and 41 for LTE. The AT&T S6 Edge is only compatible with band 3.
I doubt you'd be able to flash a different ROM, and even if you could, you still wouldn't have compatibility with bands 40 or 41.
Firstly Thanks for your reply.. i know that S6 Edge at&t only support Band 3 LTE cuz it's a FDD LTE supported device.. in my country here providers are using both TDD & FDD LTE bands for LTE..
In my region "Kerala" at presently all the providers are using Band 3 which is compatible will my phone. But i am not receiving any LTE and 3G signals..
My friends have different unlocked phones from T-Mobile they are not facing any problem..
I am still doubt the flashing ROM.. i am going to flash the stock rom for at&t.. it's the only official rom available for my device.
It could be an APN issue. Make sure the settings are the same as your friends are using. Beyond that, I have no idea.
Nothing Wrong with the APN.. cuz i am using 2G data without any problems.
We have same APN for all 2G ,3G & 4G..
I think its the problem with my software..
I can't switch between LTE/WCDMA/2G because that network mode selection option is disabled or not available..
I am compelled to flash a new Rom..
I don't have any other options.
I own a good phone but i can't use it . Really sad about it..
for sure people here can help you more on this
http://forum.xda-developers.com/galaxy-s6-edge
I have my s6 Edge in Fully unlocked condition with Root Access also..i purchased it as unlocked from Dubai. But i cant find any Network Selection mode in my settings. Itz a ATT variant with model number 925A. The device is not taking 4G signals in india. Also there is no Network selection option in the settings to toggle between 3g & 4G..
Please help me?
Hello
I successfully upgraded my L04 to 6.0 b810, but now my phone cannot use 3g network (it has very weak or no signal), so it works mainly in 2g/Edge.
Are there any possible methods (eg. flasing proper modem, etc., im not really a pro in these) to revover my "signal loss" and get 3g signal strenght back?
Thanks for the anwers.
para
Sent from my H60-L04 using XDA-Developers mobile app
problem still exists
Downgraded my b810 mm indian to b521 lolli EU, but the problem still exists.
5-15 mins after reboot, H+ network flyes away, and the phone only works in 2G/Edge mode.
If i try to select only 3G mode in settings, it just cannot find any service provider.
please help me :crying:
Hi. A friend brought me an S7 (AT&T variant) with the following problems.
Network doesn't work over 2g (only edge connection)
The firmware version was incorrect (showing SM-G930F)
We are in Argentina*
I've flashed a oreo firmware for g930u variant with G930UUEU4CRG2 baseband
Thw phone works well, but the network problem persist, only have 2g (edge) internet.
Calls and sms works, apn settings are correct
Any idea?
Thanks for read
Julian003 said:
Hi. A friend brought me an S7 (AT&T variant) with the following problems.
Network doesn't work over 2g (only edge connection)
The firmware version was incorrect (showing SM-G930F)
We are in Argentina*
I've flashed a oreo firmware for g930u variant with G930UUEU4CRG2 baseband
Thw phone works well, but the network problem persist, only have 2g (edge) internet.
Calls and sms works, apn settings are correct
Any idea?
Thanks for read
Click to expand...
Click to collapse
USA network bands, phone will never be fully compatible with Argentina network.
cooltt said:
USA network bands, phone will never be fully compatible with Argentina network.
Click to expand...
Click to collapse
Then why 2g works and 3g no? Both use 850/1900mhz (B2 and B5 bands)