That's the size of our extracted bios bin file from previous step.ħ. At end "128" denotes its size is 128Mbit = 16 MByte. So no need to dismantle laptop motherboard, just open the laptop cover, remove two battery connector.īios ic is located near main battery in this laptop, its number is 25q128jvsq.
![install android with spi programmer install android with spi programmer](https://ae01.alicdn.com/kf/HTB11BkiXOzxK1RkSnaVq6xn9VXaO/CH341AUSB-to-I2C-IIC-SPI-UART-TTL-Adapter-EPP-MEM-and-Parallel-Port-to-Android-Serial.jpg)
Open the laptop cover, remove battery connector and remove CMOS battery connector (2 pin connector above battery) circled in red in the attached pic : , then press main power button on laptop for 30 seconds. This is the file that we will use in later step to flash to the bios ic. Give it a name that you like, give it a extension. Put "de9d0" in start-offset and "10de9cf" in end-offset in hex mode in 4 option. Go to edit menu and choose "select block". Then open extracted bios bin file from step 4 in HxD hex editor. The extracted folder contains bios exe which need to be extracted using 7zip which will extract few files in them exist a. It usually involve extracting lenovo bios file using innoextract using cmd.
![install android with spi programmer install android with spi programmer](https://www.ti.com/diagrams/flash-programmer_smartrf-flash-programmer-2.jpg)
Your file that you need to extract is from step 3. įollow the steps from the instructions given on their page. Grab innoextract binaries from or get from Github from. Read and confirm if the BIOS is for your laptop model number.Ĥ. Grab bios file of the version from lenovo website that you want to flash to your device, url for bios exe and readme txt from v1.06 to v1.11.ĭon't forget to download the readme file.
#Install android with spi programmer how to#
Read this page to get idea how to use the programmer in real case :ģ.
![install android with spi programmer install android with spi programmer](https://alitools.io/en/showcase/image?url=https%3A%2F%2Fae01.alicdn.com%2Fkf%2FHTB1JPYfliMnBKNjSZFCq6x0KFXaj%2FMulti-function-USB-SPI-25X-BIOS-CH341-programmer-MSI-motherboard-JSPI-online-programming-interface.jpg)
From internet download HxD hex viewer/editor too.Ģ.
#Install android with spi programmer drivers#
Grab programmer CH341a drivers and AsProgrammer from the first. (DISCLAIMER: I will not be responsible for any kind of damage you might do following the these steps.)ġ. If your BIOS chip is the Winbond 25q125jvsq, this is the process from (I see the same two names, please let me know if you are not the Nitin29 at )Ĭomplete process to flash main bios chip/ic using CH341a SPI Programmer (confirmed on Lenovo Legion Y740 15IRHg): Let me cite a full instruction of what should be done to flash the BIOS back with CH341a Programmer: Finally, I got my machine with XMC bios chip revive by using Neo Programmer 2.1.0.19.