Tested on XT2203-1 (dubai) - Tested & Working Solution
(bootloader) ro.build.fingerprint[0]: motorola/dubai_g/dubai:14/U1RDS34.
(bootloader) ro.build.fingerprint[1]: 80-40-5-6/ba4fd-68ef4:user/release
(bootloader) ro.build.fingerprint[2]: -keys
STEPS
1-ENTER SPRINT SIM
2-REBOOT PHONE
3-OPEN IN TO THE DIALER VIA THE BROWSER
4-ENTER CODE RTN ##786# AFTER ENTER 000000 AND OK
5-WAIT THE PHONE WILL FACTORY RESET AND THEN IT WILL BE READY
(bootloader) ro.build.fingerprint[0]: motorola/dubai_g/dubai:14/U1RDS34.
(bootloader) ro.build.fingerprint[1]: 80-40-5-6/ba4fd-68ef4:user/release
(bootloader) ro.build.fingerprint[2]: -keys
STEPS
1-ENTER SPRINT SIM
2-REBOOT PHONE
3-OPEN IN TO THE DIALER VIA THE BROWSER
4-ENTER CODE RTN ##786# AFTER ENTER 000000 AND OK
5-WAIT THE PHONE WILL FACTORY RESET AND THEN IT WILL BE READY