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Rispondi a: My phone can`t power on after full charge.? .These phones usually run MTK CPUs. Try holding Volume- and Power button for 15 seconds. If that doesn´t work, connect it to computer and try to look in device manager if it shows as one of these: - MT65xx Preloader - Unknown Device - Serial2USB Device - Android device - MTP USB device. If yes, there is a software issue and phone needs to be flashed with stock ROM, which is usually bunch of .img files, not the OTA zip that you can download from the vendor´s site.
Rispondi a: iPhone 6s stuck on Apple LogoTry to put it in DFU mode and perform a flash. If it fails, there might be problem with the soldering of the U2.
Rispondi a: Chinese digitisers: what are the disdvantagesDigitiser should not affect the screen tone, however, I´m not sure about the gestures.
Rispondi a: Dell Optiplex 790 USFF VGA Upgrade?You cannot upgrade the VGA. It´s soldered on the motherboard. You can only change CPU, RAM and HDD/SSD