ByAdeline Belluz 2018-07-03 11394
A1: It might be because 3G signal is weak.
A2: 3G is slower than 4G to detect GPS signal.
A1: Make sure you activated your SIM online services.
A2: Check your hotspot settings : set --> wireless & network --> portable hotspot.
A1: Make sure the Bluetooth is enabled.
A2: Erase your Bluetooth connection history and try again.
A: You have set something wrong on your phone, or your phone charge may be overdue.
A: Move to a better place (no underground or places with too many people) to check if this problem is caused by weak signal, otherwise contact after-sales service.
A1: Make sure the volume of the audio player and of your phone are set properly.
A2: Use a cotton bud with pure alcohol to clean out the jack as it could be oxidized.
A3: Reset to factory default settings after backing up the files.
A4: Change headset and try again.
A5: Contact after-sales service for further assistance.
A1: Iif your Ulefone Power smartphone was not calibrated for a long time, calibrate the touchscreen first: set --> display --> screen calibration.
A2: Restore to factory default settings and try to calibrate again.
A3: Replace display or ask for after-sales service.
A1: It is a software related fault, try to reboot or restore to factory default settings.
A2: Contact the after-sales service.
A: You need to replace the screen display or ask for after-sales service because there is something wrong in ribbon cable.
A1: Make sure you have inserted the card correctly.
A2: Insert your SIM card in other phone. If it also can't be detected, change a card. If the SIM card can be detected in other phone, connect after-sales service.
A1: Try to reboot your phone.
A2: Iit's a hardware malfunction, contact after-sales service.
A: Change USB cable, because some USB cables don't support data transmission.
A: It's a software or hardware related problem that happens in certain situations, e.g. charging. Contact the after-sales service if rebooting (or restoring to factory settings) doesn't work.
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|Ulefone Power smartphone ROM firmware|
|Ask Before You Buy | Ulefone Power Smartphone|
|Ultimate Guide | Troubleshoot the Ulefone Power smartphone|
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