I've got the same X compact (US firmware) from ebay India.
I flashed the Central Europe firmware to keep the LTE icon.
Fingerprint enabled but VoLte lost.
Central Europe doesn't support VoLte.
Not sure about German firmware.
Yep I am still using it
Obsessed with sola:D
Sent from my MT27i using XDA mobile app
From backup I actually meant if you had cwm and you did a nandroid backup of the stock rom from the recovery itself.
If you are getting bootloop you can easily fix it by restoring the backup.
Search on the net about recovery from soft brick and bo...
Something went wrong while flashing rom or maybe the rom data is corrupt.
Bootloop means your device fails to boot if system data is corrupt by flashing rom
You had soft brick.
Reboot into recovery and restore the stock rom if you had nandroid bac...
My phone with stock rom does that too!
I've heard the update was full of bugs and drains battery a lot!
Whenever I try to look at the cause there was Android Os!
90% to 50% power left if unused.
I did a factory reset and got fix!
Try factory reset...