AUO SD11D96481 LenovoFlashPanelFWTool for Windows 11 (64-bit)
https://support.lenovo.com/us/en/downloads/DS557637

Symptom:
On some Yx70 product line (please refer to below list), new AUO panel replaced will have flicker garbage issue if the required panel FW is not installed. Please kindly use this tool to check and refresh AUO panel FW.
Impacted Product and configuration:
Yx60 & Yx70 15.6'' Product lines (listed below) with AUO Panel (FRU: SD11D96481) configured. 

Legion 5 15ACH6H
Lenovo Legion R70002021H
Lenovo Legion R7000P2021H
Legion 5 15ACH6
Lenovo Legion R70002021
Lenovo Legion R7000P2021
Legion S7 15ACH6
Lenovo Legion S7 15ACH6
Lenovo Legion R9000X2021R
Legion 5 15ACH6A
Legion 5 15ITH6H
Lenovo Legion Y70002021H
Lenovo Legion Y7000P2021H
Legion 5 15ITH6
Lenovo Legion Y70002021
Lenovo Legion Y7000P2021
Legion 5 15ITH6H
Legion 5 15ACH6
IdeaPad Gaming 3 15ACH6
IdeaPad Gaming 3 15ACH6
IdeaPad Gaming 3 15IHU6
IdeaPad Gaming 3 15IHU6
Legion 5 15ARH7H
Legion R7000 ARH7H
Legion R7000P ARH7H
Legion 5 15ARH7
Legion R7000 ARH7
Legion R7000P ARH7
Legion 5 15IAH7H
Legion Y7000 IAH7H
Legion Y7000P IAH7H
Legion 5 15IAH7
Legion Y7000 IAH7
Legion Y7000P IAH7
Legion 5 15IAH7H
Legion 5 15IMH6
Lenovo Legion Y70002020R
Gaming 3 15ARH7
Gaming 3 15IAH7


Solution:
While service team do panel replacement service for any of above product line, request to run enclosed panel FW tool to check and update Panel's FW.