Doogee X5 max or X5 max pro has OTA Update to latest Android 6.0 OS. If you don’t do that, you need to upgrade to Android 6.0 version to driver a new LCD screen by Flashing the ROM.You can get the latest ROM from:
Step 1: Run “install.bat” from the driver () on your PC like the picture;
Step 2: Run “flash_tool.exe” from Flashtool link on(https://www.needrom.com/download/doogee-x5-max-pro/),Set the flash tool like the follwing picture ,
Step 3: Uncompressed x5 max or x5 max pro ROM. Choose”MT6737M_Android_scatter.txt”, in the ROM,Then set “Firmware Upgrade”
Step 4: Click “Download” Button, then put the battery in your x5 max pro, connect it to PC by usb cable.
Step 5: Your PC will recognise your phone to install driver in Step 1, then red bar will show until downloading ok in several minutes. Then restart the phone and wait few minutes to enter new OS.
After Flashing the new ROM, you can test the screen before installing it on the frame. You can also see “About Phone” about its android version.