Android F9212a-00017-v001 ((link)) -

Has anyone successfully upgraded or fixed bugs (slow boot, Bluetooth drops, etc.) on this specific build? Any help or links would be awesome.

No. The V001 and V002 have different touch ICs and LCD drivers. Flashing V002 will invert your touch axis (left becomes right) or disable it completely. If you did this accidentally, reflash the correct V001 firmware using an OTG cable and RKDevTool. android f9212a-00017-v001

Communities like 4PDA or XDA are the best places to find custom "kitchen" builds or debloated versions of the 00017-V001 firmware. Troubleshooting Common Issues Has anyone successfully upgraded or fixed bugs (slow