- Title: Ulefone Power 3S
- Listed: November, 2018
- Last modified: 11/25/2018 1:59 am
- Version: ROM Android 8.1 Oreo V11 (20180814)
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Member Info
DESCRIPTION
OFFICIAL ROM
New devices are confirmed to be shipping with this release of the ROM
Also can be found in Ulefone Official After-Service Support folder
However, there are some issues with IMEI and Red overlay caused by factory mode application with some versions of flash tool. Please see below for more information. Everything is fully functional in this rom 
Happy flashing!
Device: Ulefone Power 3S ONLY
Filename: GQ3056MF2-HCS986A-ulefone-20180814-V11.zip
Size: 1.3 GiB (1,378,398,863 bytes)
Flash method: SP FLASH TOOL or Ulefone FLASH TOOL
Android Version: Oreo 8.1
Release Version: V11 (GQ3056MF2_HCS986A)
Release Date: 20180814
Password: NONE
Gapps: Ulefone Standard
Root access: No, but magisk or supersu can be flashed via custom TWRP recovery
Additional instructions:
IMEI problems?: Flash using SP Flash Tool v5.1824 to allegedly keep IMEI, or restore later with the utility of your choise
Remove red overlay: Uninstall, remove, or disable application com.mediatek.factorymode via the method of your choise
※Please make a backup of your device before installing or updating ROM
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I lost imei. Do not install that
Hello! Yes, you need to restore your imei after install. There are tutorials on XDA and 4pda on how to do that. It is recommended to make a backup of your device before installing or updating ROM.
What did you do? I have had some problems with IMEI and recognizing the SIM… This phone is a piece of s**t. I have managed to make it work again.
here you can found how to restoreyour imei iff you using Ulefone power 3S.https://forum.xda-developers.c.....-guide-t3834959
Install. All works fine. But lost imei's and not find the process to restore witout root.
What did you do? I have had some problems with IMEI and recognizing the SIM… This phone is a piece of s**t. I have managed to make it work again.
You must install android 8.1 from (SP_Flash_Tool_v5.1824 Win) and the installation is perfect.
IMEI is not lost and the SIM works fine.
thank you it has worked. First it was lost I did it again and it has worked
The fastest way to restore imei: dial *# * # 3646633 # * # * or install MTK Engineering Mode -> go to GPRS -> write imei -> reboot. That metod works for me but I have still red ,,tee key".
write imei with "mtk engineering" but have a "imei write error" and imei not write correctly
Maybe use a imei generator,
Will we get it through OTA when it's stable?
No
With gapps???
Yes, basic gapps with some ulefone's apps.
is there a working twrp for android 8.1 ROM Android 8.1 Oreo V11 2018081 where cn i find it? Link me please
Yes here is a folder with all compatible TWRP
https://drive.google.com/open?.....K355_bCg_YDRowB
Thank You randompate
I lost my IMEI please help
After i Install old version my IMEI back but now i stuck with red label:
未写入key
How restore IMEI? What is they process?
I thought that I had lost the IMEI too. Flashing this ROM with SP_Flash_Tool_v5.1824 Win as Petros3 said worked for me. But I have de 未写入 tee key message too
I can say that solution 3 works fine for message 未写入 tee key (I suppouse is the same issue in 8.1 than 未写入key in 7.1):
https://forum.xda-developers.c.....roblem-t3794521
Installs fine, can't install TWRP afterwards. It keeps going back to stock even I unlocked bootloader by using 'fastboot oem unlock' and it even says so in developer options. Can't install superSU either.
adb reboot bootloader
fasboot oem unlock -> Press volume + button
fastboot flash recovery recovery.img (In the path where recovery.img is)
fasboot oem lock -> Presionar volumen + button
Poweroff terminal holding power button
The last two steps do the trick
Alguém mais com auto consumo de bateria????
Você consegiu instalar a rom 8.1 e usar normalmente? Não perdeu seu IMEI? Apareceu essa sensagem 未 写入 tee key ou essa 未 写入 key no canto superior da tela?