Click the Gear icon (Load Packet) and navigate to the folder where you extracted the E1207Y PAC file . Select it to load.
The correct, untampered e1207y flash file pac downloaded from a verified mobile repairing database. Step-by-Step Flashing Guide for Samsung GT-E1207Y
pac_maker --fdl1 fdl1.bin --fdl2 fdl2.bin --nv nv.bin --system system.bin --out custom_e1207y.pac e1207y flash file pac
Software bugs can sometimes cause the phone to lose network reception or display an "Invalid IMEI." A clean flash often restores the baseband files necessary for cellular connection.
Thanks in advance.
If the device turns on but only displays a blank white screen, the loaded PAC file likely contains an incompatible display driver version. You must find an alternate firmware version of the e1207y PAC file that matches your specific regional hardware revision.
Hold down the dedicated (typically the OK / Center button or the Home / Call button on the Keystone series). Click the Gear icon (Load Packet) and navigate
Download and extract the archive on your PC.
: Once the tool displays a green "Passed" message, the device will automatically reboot with the fresh firmware. You must find an alternate firmware version of
: Ensure the device has at least 50% battery to prevent a shutdown during the process, which could permanently "brick" the phone.