Work through these solutions in order, from the most common software fixes to advanced hardware workarounds. 1. Bypass MediaTek Secure Boot (Auth Bypass)
. This usually signifies a handshake or compatibility issue between your PC and the device's bootloader.
If your stock ROM firmware folder contains a file ending in .auth , the device demands secure authentication before it unlocks the partition table.
SP Flash Tool notoriously struggles with blue USB 3.0 ports. Plug your cable into a USB 2.0 port (usually black or grey). sp flash tool stuck at download da 100
it typically signifies a communication breakdown between the computer and the device's bootloader after the initial Download Agent (DA) has been sent
Newer versions of SP Flash Tool sometimes drop support for older legacy chipsets, while older versions lack the instructions needed for modern architectures.
Troubleshooting SP Flash Tool Stuck at Download DA 100% Seeing your SP Flash Tool progress bar hit "Download DA 100%" and then freeze can be incredibly frustrating. Your device is connected, the software responds, but the actual flashing process refuses to start. Work through these solutions in order, from the
Look inside your downloaded stock ROM folder for a file like auth_sv5.auth . In SP Flash Tool, locate the row. Click Choose and select that specific .auth file.
: You are using an outdated version of SP Flash Tool that lacks support for your specific MTK processor layout. Step-by-Step Fixes for "Download DA 100%" 1. Bypass MediaTek SLA/DAA Protection (Auth Bypass)
Move the cable to a USB 2.0 port; change connection options to . SP Flash Tool Error Solutions Guide | PDF - Scribd This usually signifies a handshake or compatibility issue
Open the filter wizard in LibUSB and select your device's MediaTek port.
When SP Flash Tool hangs at , it typically indicates a communication failure between the tool and the device's Boot ROM , often because the device is not entering the correct mode or the Download Agent (DA) is incorrect. 1. Fix Connection & Power Issues
Follow these solutions in order. Most users find success within the first three steps. 1. Change the USB Port and Cable
: For some newer Mediatek chipsets, you may need to use a Bypass Utility first to disable protection before the tool can successfully detect the device beyond the 100% DA stage. Stuck at Download DA 100% - Hovatek