C8500S Stock Rom And Firmware all Version Download Without Password Free Download ~ All Gsm Stock Rom

C8500S Stock Rom And Firmware all Version Download Without Password Free Download

1 version requirements

1.1 Historical version information table.

The following versions can be upgraded to this version

C8500S-B656_C8500S_Android.2.2_V100R001C92B656_05010MLC_MMUG

1.2 Upgrade Environment Requirements

Applicable to mobile phone software, need to use MICRO SD card to upgrade

1.3 List of upgrade files

File Name

Big package path dload\UPDATE.APP

2 Upgrade preparation

2.1 Checking whether the upgrade environment meets the requirements

Check if the MICRO SD card can be read or written.

2.2 Obtaining/Checking Upgrade Packages

The directory structure is the same as: dload\UPDATE.APP

3 Upgrade instructions

There are two upgrade methods: forced upgrade and normal upgrade.

Forced upgrade is not required to boot, so it is suitable for use when it cannot boot normally (including unable to boot, no

The method enters the standby interface, etc.). The normal upgrade requires power on and can enter the setup module.

4 upgrade operation

4.1 Normal upgrade (preferred upgrade method)

4.1.1 Upgrading big bags

Step 1: Prepare an SD card. It is recommended to use Sandisk, Kingstone, or Kingmax. The size is recommended at 2G.

the above.

Step 2: Format the SD card (optional).

Step 3: Copy the UPDATE.APP under the big package path to the SD card dload\UPDATE.APP.

Step 4: Check if there is dload\UPDATE.APP in the root directory of the SD card.

Step 5: Insert the SD card into the phone to boot, and go to Settings -> System Update -> Local Upgrade -> SD Card Upgrade on the main screen.

To back up your data, select Back up your data; then, start the upgrade.

Step 6: The progress process has a progress bar display. After the progress bar is finished, the mobile phone automatically restarts.

4.2 Forced upgrade

4.2.1 Upgrading big bags

Step 1: Prepare an SD card. It is recommended to use Sandisk, Kingstone, or Kingmax. The size is recommended at 2G.

the above.

Step 2: Format the SD card (optional).

Step 3: Copy the UPDATE.APP under the big package path to the SD card dload\UPDATE.APP.

Step 4: Check if there is dload\UPDATE.APP in the root directory of the SD card.

Step 4: When the mobile phone is turned off, insert the SD card, and press the volume up button + volume down button + switch button, hand

The machine automatically enters the upgrade mode and then starts the upgrade, as shown in the figure:

Step 5: After the progress bar is full, the phone will restart automatically. If not, please remove the battery manually.

C8500S-B656_C8500S_Android.2.2_V100R001C92B656_05010MLC_MMUG

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