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Hello.
You need unlock bootloader.
Plug your phone into fastboot mode and upgrade to the 4.4.4 ROM American: RETUAWS_XT1064_4.4.4_KXB21.85-17_cid9_CFC.xml
After the flash, wait for the phone to start.
Download this file https: Seite nicht gefunden
Enable USB debugging and connect the phone to your PC. Move to the Internal Storage File "update_nofsg.zip". Turn off the phone and place in fastboot mode again.
In the CMD, type mfastboot.exe flash recovery CWM_Touch_Titan_V2.img and press Enter.
Restart the phone by typing mfastboot.exe reboot
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Again Deslige the device and plug in fastboot mode. This time, with the volume button, go to Recovery and and select with the Volume (+)
Go to the Install Zip option, press power button to select. Select [B]Choose zip from / sdcard and select the file "update_nofsg.zip"
Select Yes and wait for the installation of the update package.
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Reboot this phone.
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After that, your phone will be rebooted with Android 5.0 Lollipop already installed.
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To fix the bug at the time of the call, go to the Dialer, go to Options (3 dots)> Settings> Call Settings> Phone Account settings> Select SIM to make calls."
Picture of cell phone
You need unlock bootloader.
Plug your phone into fastboot mode and upgrade to the 4.4.4 ROM American: RETUAWS_XT1064_4.4.4_KXB21.85-17_cid9_CFC.xml
After the flash, wait for the phone to start.
Download this file https: Seite nicht gefunden
Enable USB debugging and connect the phone to your PC. Move to the Internal Storage File "update_nofsg.zip". Turn off the phone and place in fastboot mode again.
In the CMD, type mfastboot.exe flash recovery CWM_Touch_Titan_V2.img and press Enter.
Restart the phone by typing mfastboot.exe reboot
*
Again Deslige the device and plug in fastboot mode. This time, with the volume button, go to Recovery and and select with the Volume (+)
Go to the Install Zip option, press power button to select. Select [B]Choose zip from / sdcard and select the file "update_nofsg.zip"
Select Yes and wait for the installation of the update package.
*
*
Reboot this phone.
*
*
After that, your phone will be rebooted with Android 5.0 Lollipop already installed.
*
*
To fix the bug at the time of the call, go to the Dialer, go to Options (3 dots)> Settings> Call Settings> Phone Account settings> Select SIM to make calls."
Picture of cell phone