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[bursuc]

I attach some pictures. Regards

Now i desolder the yellow battery and i always have red light. I can see FW verzion and update it but red light is constantly on...
Any advice on this?

Thanks in advantage!

[Samic]

Now i desolder the yellow battery and i always have red light. I can see FW verzion and update it but red light is constantly on...
Any advice on this?
Thanks in advantage!

friend, your device must send back for repair, will check the caused reason and solve the problem.
one more thing, without technical permission, any problem don't working on device PCB directly,
otherwise factory will refuse to repair. PM me your device SN, i will explain to factory.