Dongguan Winn Technology Co. Ltd WINNPAD7TABLET ユーザーズマニュアル

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8.2 How can I change input? 
 
Access Setting-Language&input--, and set default input. 
8.3 I already installed some applications, but I can’t find them now, 
why? 
Some applications are installed in external TF card, so if you 
fetched out the TF card from the device, you will not see these 
applications. 
8.4 There are problems of your system, many popup of error. 
8.4.1 Restart the device by POWER button, or Reset, Use a stick to 
prick the reset for 5 seconds, and restart the device. 
8.4.2 If you have restarted the device and error popup still exist, 
you can check active applications to see if there is any unknown   
8.4.3 There may be virus in the device, please install security 
applications and protect your device. 
9 About Firmware Upgrading 
We do not suggest any form of private firmware flashing 
without guidance of the original manufacturer. The original 
manufacturer is not responsible for any possible breakdown   
of the device caused by user's private firmware flashing.