Here is the short review of Max Pro M1's latest Android 10 AOSP Developer Image:
Pros.: 1. Camera2api enabled. That means you can download suitable GCAM version for your phone (Mine is 7.3.20)
2. UI becames much faster and smoother.
3. Fast Charging is supporting and also no battery draining issue.
4. Wi-Fi calling enabled.
5. Camera quality improved (Pro Mode added)
6. Dark mode is fine, it is as same as Stable Android 10.
Cons.: 1. Speaker quality worsen (Loud and hands both)
2. Some apps are crashing frequently
3. Some heating issue appeared ( when using in outside)
4. Settings menu have some bugs like two tabs (I) Customize ZB601KL, (ii) Enable face recognition are appearing frequently.
5. Wi-Fi connectivity is not as expected.
6. Voice calling signal strength is not satisfactory.
7. Some times fast charging is not working.
Model:Max Pro M1 (ZB601KL)
Android Version: 10
Firmware Version:
QKQ1.WW_Phone-17.2017.2004.424-20200414