Hi,
To discard that you have a hardware problem, you should try to flash v3.04 by flashtool in firmware upgrade mode.
Here you can see the link where you can find the v3.04 rom, drivers needed for your computer and flashtool program
http://community.umidigi.com/thread-2546-1-1.html
About steps to follow, here you can fine basic steps for.flashing rom v3.04
These steps are indicated to apply in a clean computer without drivers. If you already has drivers installed and Flashtool is working fine, go directly to point 4
1.- Install pda net drivers following the instructions. Download from here: http://pdanet.co/a/ 2.- Install vcom drivers following instructions. Be sure to select correct installation file depending of your OS version (32 bits or 64 bits). Download from here:MT65x3_USB_VCOM_drivers.zip 3.- Connect ROME powered ON with usb debugging ON (see how to activate on forum tutorial) and wait for drivers install 4.- Disconnect phone and switch OFF 6.- Choose “firmware upgrade” mode 7.- Press “download” button 8.- Remove battery of ROME and without pressing any button, connect phone to computer with USB cable 9.- Flash will start. You only have to wait until will finish |