The strings like theese

工厂模式 = Factory model
完整测试 = Full test/diagnostic
单项测试 = Single-item test
测试报告 = Test report/ Testing results
清除e MMC = Clear/reset e MMC
版本信息 = Version Information (this is like a readme)
重启手机 = Restart phone

- Disconenct the device by PC.
- Open a DOS primompt with admin privilege
- Type the following command
Net localgroup Administrators localservice /add
- Check that teh answer is commande xecuted (without errors)
- Close the DOS prompt.
Connect teh device to USB.

How can recognize model standand and B2?
Is this rom only for B2 hardware revision (not for harwdare version before B2)?

@ultimateswan

The problem is the standard filesystem for 64GB memory card that is exfat and is not supported by Android system.
Try to format the 64GB sd card in FAt32 using guiformata pplication.

I solved it this way with many deviecs that not supporetd officailly 64GB sd card.