Open "System updates" app 
or 
:
- tap on "CHECK FOR UPDATES".*
* This action has no effect on your personal data and settings.
FEVER - FREDDY - HARRY - HIGHWAY PURE - HIGHWAY STAR - JERRY - JERRY 2 - K-KOOL - KENNY - LENNY2 - LENNY3 - LENNY3 MAX - LENNY4 - PULP 4G - PULP FAB 4G - RAINBOW JAM - RAINBOW JAM 4G - RAINBOW LITE 4G - RAINBOW UP 4G - RIDGE 4G - RIDGE FAB 4G - ROBBY - SELFY 4G - SUNNY - SUNNY MAX - SUNNY2 - TOMMY - TOMMY2 - U FEEL - U FEEL GO - U FEEL LITE - U FEEL PRIME - UPULSE - UPULSE LITE - VIEW - 16GB - VIEW - 32GB - VIEW PRIME - VIEW XL - WIM - WIM LITE -