This thread is dedicated to listing Secure Boot Download Agent (DA) files for Acer Mediatek (MTK) Android devices. It is a community effort so the files are free, with no passwords. If you have any confirmed DA that's not listed below then help this list grow by sending it to us.
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| Acer (DA) loader files MTK Secure Boot Agent DA boot File Free For All Free Download |
Acer devices that have a Secure Bootloader would give you authentication or buffer errors when trying to flash using the SP flash tool. Dongles / Boxes like Infinity CM2 would throw a Secure Boot! error. To flash such devices, you'll need an Acer Secure Boot DA file. It'll also come in handy when trying to bypass Factory Reset Protection (FRP)
How do I use an Acer custom Secure Boot DA file?
After you've downloaded and extracted the bin file, you rename the file to MTK_AllInOne_DA_SP.bin or DA_SWSEC.bin (depending on what you downloaded). At this point, you either manually load the DA in the flash tool you are using or replace the tool's default Download Agent with the custom DA then relaunch the tool. To learn how to use/load a DA file in several Mediatek flash tools, see the guide on how to use a secure boot DA file for Mediatek devices.
Important Notice
- Do not format devices with secure boot or flash using firmware upgrade
- Some DA files are tool-specific (i.e will only work with a specific Mediatek tool) so try them on as many Mediatek Flash tools as you can
Here are download links to DA for flashing Acer Android phones with Secure Boot
Acer B1 A71 Link
Acer B3-A20 Link
 loader files MTK Secure Boot Agent DA boot File Free For All Free DowNload){kind=link}
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