User's Guide

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Answer 2: Power the phone on again.
Answer 3: Is the phone in Airplane mode? To check that Airplane mode is canceled:
• From home, swipe up to access Apps, and tap Settings > Network & Internet > Air-
plane mode.
Answer 4: Is data communication disabled? To check that data communication is enabled:
• From home, swipe up to access Apps, and tap Settings > Network & Internet > Mobile
network.
Question: Battery level goes down quickly.
Answer: Are you where signal is weak or have been out of service area for a long period?
Calling where signal is weak or being out of service area uses a lot of Battery.
Question: Cannot install applications.
Answer: Applications cannot be installed with only a little free space on the phone or SD card.
To check free space, see Storage settings. Applications not supported by your phone cannot
be installed.
Question: Cannot unlock screen.
Answer: Power the phone on again. If you are unable to turn the phone off, remove and re-
place the Battery, and then power the phone on again. Data that was being edited is erased
after the phone is powered on again.
Specifications
The following tables list your phone’s and battery’s specifications.