Q1. Can I use SP Flash Tool or SPD Upgrade Tool for this tablet?

No. This tablet is based on a Rockchip chipset, which uses a completely different architecture and flashing protocol. You must use Rockchip-specific tools like the Rockchip Factory Tool or AndroidTool.

Q2. The Factory Tool does not detect my tablet. What can I do?

This is almost always a driver or boot mode issue. First, run the Rockchip Driver Assistant again and click "Uninstall Driver," then "Install Driver" to perform a clean installation. Second, ensure the tablet is fully powered off. Hold the correct boot key (usually Volume Up, but sometimes Volume Down) *before* connecting the USB cable.

Q3. What is "Maskrom Mode"?

Maskrom mode is a low-level bootloader mode in Rockchip devices, similar to EDL mode on Qualcomm. If your tablet is hard-bricked and the normal boot key doesn't work, it may automatically enter Maskrom mode when connected. The Factory Tool can detect and flash the device in this mode to repair a corrupted bootloader.

Advan T2J Stock Firmware (Rockchip RK3126) .img File

The Advan T2J is a 7-inch entry-level tablet from the Indonesian brand Advan, powered by a Rockchip processor and running Android 6.0 Marshmallow. Designed for basic media consumption and browsing, it can develop software issues over time. If your tablet is bricked, stuck in a bootloop, or running very slowly, flashing the official stock firmware is the most effective way to restore it to its original factory condition.

Important Note: This tablet uses a Rockchip chipset. The flashing process requires the Rockchip Factory Tool and an `.img` firmware file, which is different from tools used for MediaTek or Qualcomm devices. This process will erase all your personal data.

⚠️ Prerequisites: Before You Begin

Click Here for the Essential Pre-Flashing Checklist

Backup Your Data: All your files, photos, and apps on the internal storage will be permanently deleted.
Charge The Battery: To prevent interruptions, ensure the tablet’s battery has at least a 50% charge before you begin.
Windows PC & USB Cable: This procedure requires a Windows computer and the tablet’s micro USB data cable.

📱 Quick Device Specifications

Device: Advan T2J
Release Year: ~2017
Chipset: Rockchip RK3126
Display: 7.0″ WSVGA LCD (1024×600)
Battery: 2500 mAh
OS: Android 6.0 Marshmallow
RAM/Storage: 1GB / 8GB

🛠 Required Tools & Downloads

File / Tool	Download Link
Rockchip Factory Tool	Download Tool
Rockchip Driver Assistant	Download Drivers

⬇️ Advan T2J Stock ROM / Firmware

Model	Android	Chipset	Type	Download	Size
T2J	6.0 Marshmallow	Rockchip RK3126	Rockchip (.img File)	MediaFire	597 MB

⚡ Quick Flashing Guide

Download and run Rockchip Driver Assistant to install the necessary drivers on your PC.
Extract the firmware (Advan_T2J...RC.zip) to get the update.img file, and extract the Rockchip Factory Tool.
Launch FactoryTool.exe. Click the “Firmware” button and select the update.img file.
Power off your tablet completely. Press and hold the Volume Up button.
While holding the volume button, connect the tablet to your PC. The tool should detect the device, and one of the squares will turn blue or green.
Click the “Run” button to begin the flashing process. Disconnect and reboot the tablet after the operation succeeds.

For a more detailed, step-by-step walkthrough of this process, please refer to our full guide:
👉 Full Tutorial: How to Flash Rockchip Firmware with Rockchip Factory Tool

❓ Frequently Asked Questions (FAQs)

Q1. Can I use SP Flash Tool or SPD Upgrade Tool for this tablet?: No. This tablet is based on a Rockchip chipset, which uses a completely different architecture and flashing protocol. You must use Rockchip-specific tools like the Rockchip Factory Tool or AndroidTool.
Q2. The Factory Tool does not detect my tablet. What can I do?: This is almost always a driver or boot mode issue. First, run the Rockchip Driver Assistant again and click “Uninstall Driver,” then “Install Driver” to perform a clean installation. Second, ensure the tablet is fully powered off. Hold the correct boot key (usually Volume Up, but sometimes Volume Down) *before* connecting the USB cable.
Q3. What is “Maskrom Mode”?: Maskrom mode is a low-level bootloader mode in Rockchip devices, similar to EDL mode on Qualcomm. If your tablet is hard-bricked and the normal boot key doesn’t work, it may automatically enter Maskrom mode when connected. The Factory Tool can detect and flash the device in this mode to repair a corrupted bootloader.

🔧 Device-Specific Troubleshooting

“No Device Found” in the Tool: If you’ve reinstalled drivers and tried the correct boot key sequence, the problem could be your USB cable or port. Use a high-quality data cable and try a different USB port on your computer (USB 2.0 is often more reliable).
Flashing Fails with an Error: If the process starts but then fails, it can indicate a corrupted update.img file (try downloading it again), an unstable USB connection, or, in some cases, a failing eMMC storage chip on the tablet, which is a hardware issue.
Stuck in a Bootloop After Successful Flash: If the tool reports success but the tablet won’t boot past the Advan logo, you need to perform a factory reset. Boot into recovery mode (usually by holding Power + Volume Up) and select “wipe data/factory reset” from the menu.
Tool shows “Loader” state but won’t flash: If the device is detected in Loader mode but the “Run” button doesn’t start the process, it might be an incompatibility between the tool and the firmware. Try using a slightly different version of the Rockchip Factory Tool or the alternative AndroidTool.