You can do it FOTA,
Software Update using Manual FOTA (Firmware Over-the-Air)
Instructions apply to: all active Coolpad Quattro 4G, Huawei Activa 4G, LG Connect 4G, LG Esteem, Samsung Craft, Samsung Galaxy Indulge, Samsung Galaxy Attain 4G, and Samsung Galaxy S Lightray 4G.
Go to Settings  About Phone  Status and write down theMDN and MIN.
Go to the dialer and enter ##626*
Enter security code 587846
Click on Edit (if prompted).
Select MDN and enter 0000001234
Select MIN and enter MIN 0000001234
Leave SID same and press OK.
Press Done.
The phone will power cycle.
Now reprogram the phone with MDN and MIN by following steps 2