Mechanism chip : Skyworth 8k27 Main chip : MT8222 Memorizer : MX25L6405 Board type : 715G4089-M01-000-004L Back-up method outline : Setting the VGA line orders by hand → Choose the chip type → Read → Save ![](https://box.kancloud.cn/4212aca5c088967df38c7a5e17f35f5c_554x416.png) **Reading:** Step 1 : Connect the programmer VGA IS port with the board by VGA line correctly and supply the power,open the software to the main interface,like following picture,set the VGA line orders; ![](https://box.kancloud.cn/c5a99fc5b275bbd2336f3b4b84c52fe5_576x514.png) Step 2 : Input the type ”MT822X_SPI#ISP” in the “Enter Chip Printing” on the software main interface; ![](https://box.kancloud.cn/0eb40bd28e293add5b676ffe47cee21f_480x202.png) Step 3 : Click![](https://box.kancloud.cn/fe21f1eb1da4098cfe19051b2dbeaa6a_112x36.png)on the interface; Step 4 : Click![](https://box.kancloud.cn/d66167cc8a2aab98aa5eaff3dc4b32e6_112x36.png)to save the file after finishing reading.Try the best to name the file in detail,including the manufacturer,board number,screen type,main chip type,memorizer type for the convenient use in the later. ![](https://box.kancloud.cn/cf37023bceb8f4c6dee902d9cedb96ca_554x419.png) **Writing:** Set the VGA line orders by hand → Select the chip type → Open the file → Write Step 1 : The same as above; Step 2 : The same as above; Step 3 : Click ![](https://box.kancloud.cn/32fb731fab87276df7ff235a6aae3ddf_112x36.png)on the interface and choose the file waiting for being written; ![](https://box.kancloud.cn/ff0b250997cced5aa05716457d18f213_514x459.png) Step 4 : Click![](https://box.kancloud.cn/36ee70c5313539e0f698629133b76e93_112x36.png) on the interface,according to the words as shown in following picture it means the writing has finished. ![](https://box.kancloud.cn/2ad7fc7cf70f14d88babcaa4e3a895df_554x496.png)