Your device has some of the issues described below? Before you bring it for repair to
Service Center, we recommend you try solving the problem by our useful tips.
The device does not turn on
Try to charge the device for 20-30 minutes. If the problem continues, you may bring
the device to the nearest Yettel shop. Please make sure you bring also the
respective charger and the USB cable, if it goes with the charger.
The devices automatically turns off or blocks
•Save
the data on external media, different from the memory card;
•Check
if the battery of the device is charged;
•Check
if the device is properly working when connected to a charger;
•Update
the software (if possible) with a charged battery;
•Restore
the default settings of the device and format the memory card;
Important: all the information on the device and the memory card will be permanently
deleted.
The internet is not working or the speed is slow
•Ensure
that the Airplane Mode is not turned on and the mobile data is enabled;
•Make
sure that all applications, which you are not currently using, are closed, and no
automatic updates run at the moment;
•Restart
the mobile data or the device;
•Update
the software (if possible) with a charged battery;
Not enough memory
•Insufficient
memory can be extended with a bigger memory card (for devices that support that
option);
•Applications
and media data (pictures, video, music, etc.), which can be transferred from to the
memory card, may free some memory in of the device.
The device has problems with calls
•Make
sure that the Airplane Mode is not activated.
•Ensure
that there is network coverage;
•Make
sure that blocking of incoming and outgoing calls is not enabled.
Battery is exhausted too quickly
•Ensure
that the battery is fully charged;
•Make
sure that your email is not synchronized too often;
•Be
aware that data traffic, GPS, Bluetooth and Wi-Fi may consume additional energy;
•Reduce
the display brightness, if the device has this option.