Normal upgrade
Step 1.Format the Micro SD card (This operation is optional).
Step 2.UPDATE.APP to a directory named dload.
Step 3.Copy the entire dload folder (with UPDATE.APP in it) to the root directory of the Micro SD card.
Step 4.Micro SD card into the handset and power on. After entering the home screen, To find settings application, press Settings->All->Updater->Menu->Local update-> Full package:UPDATE.APP -> Install to start the upgrade.
Step 5.When the progress bar stop, the phone will restart automatically.
Step 6.Please copy the Software: vendor package UPDATE.APP to a directory named dload. Then execute Step 2 – Step 5 repeatedly. This step is needed only when the version is upgraded by test member.