DESCRIPTION

ROM Motorola Photon 4G – ROM Android 4.2.1 CM10.1

Install ROM :

1.Connect your Motorola Photon 4G to PC using USB cable.
2.Copy downloaded zip file to the SD card of your phone. Important: Don’t extract any file.
3.Disconnect USB and then turn off your phone.
4.Boot into recovery. To do so, first press and hold Volume Down button and the Power button on the back until you see the text Fastboot appear in the top left in corner of the screen. Then use the Volume Down button to scroll through all the options until you reach Android Recovery. Now press Volume Up button and you will be soon in CWM recovery screen. In recovery mode use Volume keys to scroll through options and Power button to select an option. Alternatively try this: Recovery Mode without Key Combination.
5.Perform a Nandroid backup of your existing ROM that you can restore later if this new ROM not work or you want to go back. To perform a backup, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.
6.Then perform data wiping task. To do so, select wipe data/factory reset, then select Yes on next screen to confirm your action. Wait few minutes till the data wipe is completed.
7.Select install zip from sdcard, then select choose zip from sdcard. Now, locate the cm-10.1-20130102-UNOFFICIAL-sunfire.zip file that you copied earlier in Step 2 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.
8.Once the ROM installation process end, repeat the step 7 but choose gapps-jb-20121212-signed.zip instead of ROM zip to install the Google apps package.
9.When installation is completed, go back to the main recovery menu and select reboot system now to reboot the smartphone and boot up into customized Android 4.2.1 ROM. The first boot will take time, so be patient!
10.Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.