These are the instructions to Flash Stock Rom on Android Devices using RockChip Batch Tool.
Requirements: Your Android Device should have at least 20-30 percent of battery to perform the Flashing Process.
Step 1: Download and install Rockchip Driver Assistant on your computer.
Step 2: Download and extract RockChip Batch Tool on your computer. After Extracting you will be able to see the following files:
Step 3: Now open RKBatchTool.exe from the extracted files.
Step 4: Once RKBatchTool.exe is launched, Click on the Box right to the FW Path.
Step 5: Once you have succesfully added the firmware, RockChip Tool will load it.
Step 6: Now, Turn Off your Smartphone and tablets.
Step 7: Now, Press and Hold Volume UP Key on your smartphone and connect it to the computer using the USB cable.
Step 8: Do not release the Volume UP Key on your smartphone until Icon 1 turns Green in Color.
Step 9: Once your Device is successfully added to the computer, Click on the Restore Button to begin the Flashing process.
Step 10: Now, RockChip Batch Tool will Flash the Firmware on your Smartphone or tablets (flashing usually takes 4-6 minutes to complete).
Step 13: Once Flashing is completed successfully then you will be able to see Restore Done Success Message.
Step 14: Now, close RockChip Batch Tool by clicking on the Exit Button.
Step 15: Disconnect your Device from the Computer and Restart it.
Congratulations, you are now expert of flashing firmware using RockChip Tool.
[*] The above tutorial only works with the firmware that comes with the support to RockChip Batch Tool.
[*] Take Backup: Take a Phone backup before using the RockChip Tool as because during the flashing process your personal data will be removed.
[*] Alternative Tool: RockChip Factory Tool is the best alternative to RockChip Batch Tool. It also allows you to flash the stock firmware on any RockChip Device.
[*] Credits: RockChip Batch Tool is created and distributed by Fuzhou RockChip Inc. So Full credits goes to them for sharing the tool for free.