Hi mate, i've done the backup of my firmware.. now i have .bin file backup., and i try to install the new firmware but at 100% appears an "invalid arguments" message and the phone do only a black screen.. how can i restore the old firmware? or you have something that can i try to flash with...
fastcartech sells the version chinese/english with built in memory.. but I dont' know if is the real pinphone and i don't know if I can change the language without a dongle... what do you choose between pinphone4gs and yophone with new firmware? i saw your video but seems that is pinphone vs...