[H] My Tab4 lose IMEI, cant enable hidden menu to fix - Galaxy Tab 4 Q&A, Help & Troubleshooting

Hi, i have a Samsung Galaxy Tab 4 for my mom, its non rooted, 4.4.2, not sure why it suddently lost the IMEI (check with #*06#) and doesnt recognize the sim anymore, i tried google and stuff but i cant access the *#22745927 and *#7284# so that i can recover the IMEI with NV-items_reader_writer :crying: can anyone know how to enable those without root? Thankyou for your help

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[Q] Samsung Galaxy S4 Unlock not workin!

Hi! i bought a Galaxy S4 i9500 and i am having trouble unlocking it. it was originally running the stock 4.3 android and i tried entering my sim but instead of prompting me for an unlock code it just says no service emergency calls only. I've tried the *#0011# thing but i cant get past the first step. when i click menu then input and type in 1 it doesnt bring me to the main menu instead it says menu no exist current command 111. i got fed up and installed cyano mod 11 right now but still cant figure out how to unlock it. If anyone could help that would be awesome!
http://forum.xda-developers.com/showthread.php?t=2282683

[Q] help Samsung S4S975L - SERVICE MODE - Unlock menu not complete

Please I need help with my S975L Samsung Galaxy S4. I tried everything to sim unlock it but nothing worked.
I read that one method was entering to the serviceMode Menu (*#0011#) and change the PersoSHA256 flag, but the NETWORK LOCK menu only has 2 options:
{1} PersoSHA256 Info and
{2} RAT_FREE_SUPPORITNG ON
I don't have the 3rd point where I can enable or disable the flag.
Is there any way to unhide that option??
Thanks in advance !
I don't think this is possible. Apparently the Straight Talk S4 is well locked. Attempting to change the modem to an older version bricks the unit.
Your only real option is to use Straight Talk for a year then request an unlock from them.

[Q] S5 forgot WIFI after restart ?

Hi,
I have a problem with my Galaxy S5 because everytime I restart him he "forgot" my WIFI networks (home, work, other places) and won't connect automatically.
After I type correct password phone works very well and not losing network.
Problem is present only when I restart my phone.
Phone is rooted and have official Android 5.0.
Can anyone help?
Thanks
i had a same problem, just flash modem and bootloader (cant remeber exacly) and thats it....
I had same problem flash again with odin don't wipe anything and it should be fine

[Q] Damaged EFS, no backup - how to repair S5 with NULL IMEI?

Hi,
I have a problem with my S5. After flashing a custom ROM I found out that my IMEI is null, and so the EFS is corrupted. I tried to restore it from backup only to find out that I have deleted the backup
What can I do now? I anything? Would restoring EFS from another S5 (with damaged mainboard) could be a solution?
Generally everything works except of phone modem, I have got IMEI written - is there maybe a method to set the IMEI without EFS or a method to create EFS? I already tried sam IMEI changers, but I found out that they only do this on the application level - apps will be able to read different IMEI for licensing, but phone still sees NULL IMEI.
You can't restore EFS from another S5 coz it'll brick your device.
Bruce666 said:
You can't restore EFS from another S5 coz it'll brick your device.
Click to expand...
Click to collapse
Thanks for answer
So what can I do?
Found sth like this:
Never tried coz never lost IMEI
In the dialer, type- *#197328640# or *#*#197328640#*#*
>You will be prompted into the Command mode, provided On the screen, Select on Common, normally option 6
> Now Select (FTM) Option 1
>FTM is for debugging and testing., (Field Test Mode)
>If (FTM) is on, you will have to turn this OFF
>As soon as you turned this off your NULL or altered IMEI number will be restored
>(Important) Without leaving the Command screen, press the Menu key, the button that’s found left of the Home button.
> Select Key input and enter option 2. In this case, you want to turn it off
>Wait for a minute. This will turn your FTM OFF
> Remove your battery and SIM card for two minutes
>Place your battery in your phone, (important) do not place your SIM card in.
> When the phone is booted, enter the command mode again dial – *#197328640#
>Select the Debug Screen, normally option 1
>After that, choice phone control, option eight
>Click on nas control, option 3
>Afterwards, click “RRC (HSDPA), option 5
>To Fix not registered on network or Null IMEI #, click RRC revision, option 2.
>Choose the released of your phone, here we will choose option 5 (HSDPA only)
>Final step to fix Null IMEI not registered on a network for Samsung Galaxy is to turn off your phone and insert your Sim card
or
>Insert your Sim card, afterwards reboot your phone
Thanks - are you sure about this bricking device?
I already tried this numbers but it always says "No Network", The only instruction that I found was to use *#0011# and it goes into the Service Menu, but it doesn't look like that described. There is something called NVM restore, but it doesn't do anything with IMEI
I am gonnna post screenshots at evening.
Bruce666 said:
Found sth like this:
Never tried coz never lost IMEI
In the dialer, type- *#197328640# or *#*#197328640#*#*
>You will be prompted into the Command mode, provided On the screen, Select on Common, normally option 6
> Now Select (FTM) Option 1
>FTM is for debugging and testing., (Field Test Mode)
>If (FTM) is on, you will have to turn this OFF
>As soon as you turned this off your NULL or altered IMEI number will be restored
>(Important) Without leaving the Command screen, press the Menu key, the button that’s found left of the Home button.
> Select Key input and enter option 2. In this case, you want to turn it off
>Wait for a minute. This will turn your FTM OFF
> Remove your battery and SIM card for two minutes
>Place your battery in your phone, (important) do not place your SIM card in.
> When the phone is booted, enter the command mode again dial – *#197328640#
>Select the Debug Screen, normally option 1
>After that, choice phone control, option eight
>Click on nas control, option 3
>Afterwards, click “RRC (HSDPA), option 5
>To Fix not registered on network or Null IMEI #, click RRC revision, option 2.
>Choose the released of your phone, here we will choose option 5 (HSDPA only)
>Final step to fix Null IMEI not registered on a network for Samsung Galaxy is to turn off your phone and insert your Sim card
or
>Insert your Sim card, afterwards reboot your phone
Click to expand...
Click to collapse
evilsnailofdestruction said:
Thanks - are you sure about this bricking device?
I already tried this numbers but it always says "No Network", The only instruction that I found was to use *#0011# and it goes into the Service Menu, but it doesn't look like that described. There is something called NVM restore, but it doesn't do anything with IMEI
I am gonnna post screenshots at evening.
Click to expand...
Click to collapse
Yes I'm sure about bricking. EFS partition on your phone is made for ONLY YOUR PHONE. This is sth like restoring TA Partition on xperia devices. When you flash ta from another xperia, you brick device
Tapatalked from SM-G900F
I read someone saying they had successfully restored a backed up EFS partition from an identical model S5 to another, and it worked
The problem I can see, is if the original gets blocked by the carrier, chances are so will the clone
Not sure about network issues having two identical devices on the same network at the same time, both making calls, might end up like an IP conflict
Pretty sure that transferring IMEI from one device to another is against the law too......
Sent from my rooted, debloated stocKK kn0x0 SM-G900F
Yes, I also know that is it against the law, but I have a complete phone with broker mainboard (so even the IMEI is written on the back), and I would like to use this opportunity to copy the IMEI from old (broken) mainboard to the new one. It even looks better than the situation when I have got and old case with written IMEI that doesn't correspond to the IMEI on the new mainboard.
The mainboard is broken that way, that there is short-circuit somewhere and the CPU is constantly using power and it get's really hot, so it use useless.
I am trying to flash EFS, let's see what is gonna to happen
keithross39 said:
Pretty sure that transferring IMEI from one device to another is against the law too......
Sent from my rooted, debloated stocKK kn0x0 SM-G900F
Click to expand...
Click to collapse
1. Tried flashing EFS = nothing happened
2. Tried flashing EFS + Modem + ModemST1 + ModemST2 = nothing happened
3. Restored android to STOCK
I can't get into the service menu.
The only Service menu that I can get into is this one, but there isn't any fixing IMEI/NVRAM option
Code:
*#0011#
Menu > Back
Menu > keyInput "Q"
Menu > keyInput "0000"
Wait for few seconds
evilsnailofdestruction said:
Yes, I also know that is it against the law, but I have a complete phone with broker mainboard (so even the IMEI is written on the back), and I would like to use this opportunity to copy the IMEI from old (broken) mainboard to the new one. It even looks better than the situation when I have got and old case with written IMEI that doesn't correspond to the IMEI on the new mainboard.
The mainboard is broken that way, that there is short-circuit somewhere and the CPU is constantly using power and it get's really hot, so it use useless.
I am trying to flash EFS, let's see what is gonna to happen
Click to expand...
Click to collapse
Hi,
you have 2 options
1. Use Samsung Kies which will repair you efs
2. Flash with Odin the official rom 5.0
If you install another efs, the data installed may be not work, even if it is same model. In S5, nothing to do with the IMEI
You can also root the phone and with adb commands, erase all the efs
you can also use Z3X tools
Hi,
Thanks - some new ideas
So if I understand you correctly, I have 3 options:
1. Use Samsung Kies which will repair you efs - how to repair EFS with Samsung Kies?
2. Flash with Odin the official rom 5.0 -> I tried flashing oryginal 4.4 and it didn't helped. Should flashing 5.0 help?
3. You can also root the phone and with adb commands, erase all the efs - What will erasing EFS will give me? Shouldn't I have EFS partition with some data?
you can also use Z3X tools -> ok... I am gonna figure this out, 'cause I don't know it yet
FrenchSnake said:
Hi,
you have 2 options
1. Use Samsung Kies which will repair you efs
2. Flash with Odin the official rom 5.0
If you install another efs, the data installed may be not work, even if it is same model. In S5, nothing to do with the IMEI
You can also root the phone and with adb commands, erase all the efs
you can also use Z3X tools
Click to expand...
Click to collapse
I have the same issue. Anybody may help me ? (galaxy S5 SM-G900H made in Vietinam)
thanks in advance
Bruce666 said:
Found sth like this:
In the dialer, type- *#197328640# or *#*#197328640#*#*
>Insert your Sim card, afterwards reboot your phone
Click to expand...
Click to collapse
This does nothing on Galaxy A5!
attached 0011 code screen
Has anybody found the solution? Efs professional gives me error " device connection lost" while using Qualcomm nv tools on s5.

How can I access my phone?

Hi all so I recently found my old Galaxy Grand Prime and I can't remember the backup pin or email I had with that phone . When I connect it to my computer a message on the phone appears telling me to unlock before I can access it on my computer so is there a way for me to break into my old phone besides factory resetting it because I do have some old pictures on there I would like to see. Thank you in advance for the help!

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