How to Unbrick & Fix Acer Iconia A3-A10 stuck in a bootloop
Step 1: Download the Acer Iconia A3-A10 Firmware Click to download .
Step 2: Download SP Flash Tool Click here to download . ( you may find different version, but this one only works with A3-A10).
Step 3: Turn off the tablet via long press power button, or insert a needle in a hole between the HDMI and the speaker.
Step 4: Remove the back Cover of the tablet, and unplug the battery
Step 5: Insert usb cable and connect to PC, let windows install the mtk65xx driver, once its done , download usb view and unistall the installed driver and follow instructions from this site here .
or you can check this you tube video .
NOTE: For window 8/8.1 you need to disable Driver Signature check.
Step 6: Launch SP Flash Tool.
- Press "File" -> "Open Scatter-loading file..." and choose mt****_Android_scatter_emmc.txt from firmware folder.- Press "Window" -> "Write Memory". New tab will appear, open it.- Press "Open Raw Data...", choose secouff.img from firmware folder.- Choose EMMC Memory setting.
- Put 0x3D80000 in begin address(HEX).
- Put whatever the value in File Size in Container length (HEX).
-Press "Write Memory", connect turned-off tablet to PC and wait.
-Progress bar will fill with red, then with gray-green, then ou will see grenn circle.
- Disconnect tablet from PC, go to Download tab.
- Disconnect tablet from PC, go to Download tab.
Step 7: -Press "Firmware -> Upgrade" and connect your turned-off tablet to PC.
-Progress bar will fill with purple for few times, then red, then flash with green few times, then yellow, and then (probaly) gray-green. After this you will see green circle.
-Reconnect the Battery, and power it ON.
- Bricked tablet's battery may be extremely low, so put it on charging for 10 minutes after flashing.
