i was on jf 1.5 then using the jf updater updated to 1.51 then the radio update. everything worked well but about 2 weeks after i did a factory reset. it went into boot loader ect, then finished. now everytime i use my browser it forced closes after about a second, i cant even use a browser app that imports my boookmarks cuz it force closes!!! Firmware version: 1.5 i am in the uk.