Stock Rom for Gfive President G9 Links: recovery G9 Links GFIVE G9 STOCK ROM 4.2.1 1.) Boot into recovery mode 2.) wipe data /factory reset 3.) Advanced – wipe Dalvik Cache 4.) return to recovery main menu and select install zip from sdcard -> choose zip from sdcard -> Select your ROM and install it.. 5.) reboot your G9. FINISH !!