The device cannot be turned on if the power level is below critical limit. Charge the battery for a few minutes and restart the device.
Check if the charger is correctly connected and well assembled.
Viva H8 plus
Many apps suggested and available by the developers, without compatibility testing with the operating systems and hardware configuration first, of different products models, so there might be APK documents that they are not fully compatible with your device.
For a higher battery's autonomy we recommend to do the following: the background light should be set at a lower value, the display's sleep should be set at 30 seconds, closing Wi-Fi if it is not used, using Task management apps for a lower charge of the CPU and memory, and the battery charges to be full.
Access Settings>Backup & reset>Factory data reset. Reset the tablet. ATTENTION! By resetting the tablet, any kind of data will be deleted from your tablet.
It is normal due to the processor. Depending in the run processes, the tablet can warm up more or less.
To make or to receive calls on this tablet, you need a voice SIM card. This must be inserted in the special slot, with the tablet turned off. When the tablet is turned on, you can use the voice SIM.
The Smart2View stick must be connected to the TV via HDMI jack (the TV must be set to HDMI by remote control) In the tablet's menu, access the Wireless Scree and on the top right corner we switch to ON (Search dispalys). When the Smart2View is found we can connect.