If you buy battery, you must read (Click to read more)

THL T9 plus firmware download

THL T9 plus firmware download

Firmware

Build number: thl.T9.Plus.177.5105SF7.A2.161125.MP.HD.BD6737M.MV1616.P30_2
SHA1: CE9D0F1BAC839970CE190BEC1810425242AD3B4E
 
Attention: Build Number is located in Settings->About phone. Please make sure that the right firmware is chosen for the device, a wrong choice will result in serious consequences!

 

Tool

BirdA_Cust_ToolPack_V4.2.1_Compatible.With.Win10.7z

 

Tutorial

Sample for BD Firmware Flash.avi

 

Tips

Please note that reflashing the firmware will clean all data in the device, make sure to back up the important data before doing it.
 
How to do it again after reflashing fails?
Solution: click "Start" on flash tool -> remove the battery -> wait at least 3 seconds, put back the battery -> press and hold “Volume+ Key” -> connect the device to PC with USB cable -> release “Volume+ Key” until downloading begins.