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also might damage the device.
Why doesn’t the device show the charging state?
A: When the battery is extremely low, you need to use a DC charger. It must
charge at least half an hour to show charging status.
Why doesn’t the gravity sensor work?
A: This device has a gravity sensor, so that the screen can switch. However,
some applications do not support the gravity induction function. Thus, when this
type of application is activated, the device cannot perform the screen switching.
Device can't boot
1) Check the battery level
2) After checking the battery, reconnect the ac adapter
3) If after charging it is still unable to boot, please contact our customer service
I can’t hear the sound in the headset
1) Please check that the volume is not set to 0
2) Please check whether the headphones are connected
Device charging shows abnormalities
1) Please confirm that the use of the equipment complies with the charger of the
device charger requirements
2) If charging through USB, please do not connect to computers lead USB
interface
Why some downloaded videos cannot be played?
This device is compatible with formats of video files from the internet but due to
the fact that video formats may vary, there is a possibility not to be compatible with
some of them. In these cases, it is recommended to use the PC and some video
conversion software to get to a compatible format.
Summary of Contents for Viva H1003 LTE PRO/1
Page 1: ...Viva H1003 LTE PRO 1...
