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How do I take a screenshot?
Note: The following information applies to the devices IS520.1, IS520.2, IS530.1, IS530.2, IS530.RG, IS655.2, IS655.RG Simultaneously press the power ...
Where is the NFC antenna for contactless data transmission?
Note: The following information applies to the devices IS520.1, IS520.2, IS530.1, IS530.2, IS530.RG The position of the NFC antenna is marked with the ...
Why does my Mobile Phone keep switching on and off?
Note: The following information applies to the devices IS520.1, IS520.2, IS530.1, IS530.2, and IS530.RG If your Mobile Phone keep switching on and off, ...
Where is the NFC antenna for contactless data transmission on the IS655.x?
Note: The following information applies to IS655.2 and IS655.RG On the IS655.x the NFC antenna is located behind the battery compartment cover.     ...
Why is the device display deactivated during a telephone call?
Smartphones are usually using capacitive touchscreens. A capacitive touchscreen reacts to changes in the electric field on its surface. If you touch the sur...
How do I switch on VoLTE ?
Note: The following information applies to the devices IS330.x, IS530.x, IS540.x and IS930.x. Depending on the device and operating system, the position and...
How do I switch on VoWiFi (Wi-Fi calling)?
Note: The following information applies to the devices IS330.x, IS530.x and IS930.x Tablet with Android 10. Depending on the device and operating system, th...
How do I switch on VoWiFi (Wi-Fi calling) on the IS540.x?
Note: The following information applies to the IS540.x Smartphone.   Open <Settings>   Select <Network & internet> Select <...