4.2 Force upgrade
Step 1. 格式化MicroSD卡(可选)。Format the Micro SD card (This operation is optional).
Step 2. 复制软件:主包UPDATE.APP到一个指定的目录dload。Copy the Software: main package to a directory named dload.
Step 3. 节描述的大包目录下整个dload目录(包含UPDATE.APP)拷贝到MicroSD卡根目录。Copy the entire dload folder (with UPDATE.APP in it) to the root directory of the Micro SD card.
Step 4. 在手机关机状态下,插入MicroSD卡,同时按住音量上键+音量下键+电源键,手机会启动并进入升级模式。Make sure your handset is power off. Insert the Micro SD card into the handset. Press the VOLUME UP and VOLUME DOWN key, and then press the POWER key to power on the phone and enter the Software Upgrade Mode
Step 5. 进度条结束后,手机会重启。若手机未重启,需要手动拔下电池。When the progress bar stop, the phone will restart automatically.
Step 6. 复制软件:(产线请忽略此操作)删除SD卡上的 dload目录,的vendor包的整体拷贝SD卡根目录,然后执行上述步骤2-5。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