: Though officially succeeded by LineageOS, many older ZIP files for specific devices still exist on XDA Forums OnePlus Community
Even with a valid , issues can arise.
: Based on Android 7.1, this is the most stable and widely supported custom ROM for older hardware. android 7.0 custom rom zip file download
While many developers have moved to newer versions, the following remain classic choices for older hardware: : Though officially succeeded by LineageOS, many older
What are you trying to update so I can help you find a specific guide? : Though officially succeeded by LineageOS