Nokia 2020s Hardware Picture Guides Hardware problem repair manuals for the following hardware failures on Nokia 2020s. Hang/ restart problem - hang or frozen on nokia logo only, often restarted. Insert SIM card problem - unable to detect sim card when inserted, shows Insert simcard on display. Keypad problem - keys not working, keypad malfunction, the keys stop responding. Camera problem - camera hang, camera hardware failure. LCD Display problem - no display, blue display, white screen display. Local mode / test mode problem - showing only test mode or local display. Dead Set problem - unable to power up the device Buzzer / Ringer problem - no ringtone audio sound can be heard Charging problem - shows no charging response when charger is plug-in, fake charging, it shows charger not supported Network Signal problem - No network signal, low signal, unable to send and receive call and text message. Download free click here |