Before downloading, you need to install two drivers: USB to serial drive and USB driver.
Follow these steps:
(1) install the USB to serial port driver.
(2) connect the USB to the serial port. To identify the serial port. In the lower right corner of the image, you can see the corresponding port number. Comn.
(3) decompress the flash tool.
(4) The decompressed file is shown below. Click flash_tool.exe.
(5) The download window is displayed. Set the baud rate to 921600.
(6) Select the corresponding serial port comn.
(7) Another disconnection of the download line is marked with red lines, black lines, and black lines. Please keep them independent and do not connect them.
(8) decompress the image file.
(9) Select the corresponding image from flash_tool. Click scatter-loading.and select the. txt configuration file and A. txt file under the BIN file.
(10) Click Download.
(11) plug in the USB line, start the download, and display the red-colored entry.
(12) after a few seconds, a USB failure will pop up, prompting you to find new hardware. At this time, you can install
Drive B.
(13) install the android USB driver
(14) after successful installation, you can download it again. Click Download to reinstall the battery.
(15) we recommend that you set the format before each download, and set the format by default.