Acer HARLEY TAB A3-A20 Service Manual page 20

Step 1 and Step 2: click the ―Scatter-loading‖ button to find MT6582_Android_scatter.txt
inside of Rework-Serco folder. And then click the ―open‖ button.
Figure 6 Find MT6582_Android_scatter.txt inside of Rework-Secro folder
Figure 7 Download secro-sign.img
Step 3: make sure the download pattern is ―Download Only‖, only secro-sign.img existed
and checked. Click the ―Download‖ button to download the secro-sign.img, and then connect
the android device after power failure with the computer through USB. When the download ok
dialog shows up, it means the download of secro-sign.img has been completed.
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