Kode Rahasia Cek Kerusakan Hp

This is an application to check for damage to an Android cellphone with a secret code that you rarely know.
Check the conditions of the hardware and software. The condition of the android cellphone with the Secret Code in it.
you need to do this method when buying a used cellphone so you don't get fooled.
for more details, download the application now.
hopefully useful and helpful. thank you