Hi All, Firstly I want to say thank you very much to "dabomb", after deactivated "Background Task Clear" my WhatsApp become works normally. So, for all my friends that who have same problem with me " WhatsApp error connection", please follow "dabomb" suggestio...

Thank you "dabomb" for your suggestion, I will try it then immediately inform to you.
Admin, I also already update about firmware. Now I am using V01_20160704 firmware version, but WhatsApp still not connected after 1 hour.

V01_20160630

I already tried to update firmware using local zip. file that you had provided, but the device inform that "signature verification failed.Installation aborted.OTA failed please power off the device to keep it in this state and file a bug report!"
What I have to do ?

Hello, My name is Sapto, I have facing problem after update the wireless, the problem is WhatsApp messenger not connected. The WhatsApp can connect after the device power on and restart, but only for short time. I already reinstalled the WhatsApp, even my device was reset factory, but the problem st...

I also have similar problem, after wireless update. sometime SIM card can not detected. and that's very disturbing to me is the WhatsApp messenger can be connected only for a moment. afterwards, it can not connected. The WhatsApp can be connected only for shortly, after the device restarted. Please ...