I have successfully switched from CrDroid A12.1 v8.6 to this new PE+ A13 rom yesterday. Previously when I am on CrDroid, I noticed that my battery drained from 80+% to almost flat in a day even with my phone switched off. I earlier thought my phone was having a hardware problem which caused the battery to leak but later found that this was not so. When I switched back to Miui global stock rom, this battery problem never happened. Also this problem also never happen when I switched to PE+ A13. Almost everything works good on PE+A13 except that the FM radio is missing from this rom. I installed the PE+ A13 using the latest TWRP from this link https://dl.twrp.me/oxygen/ Thank you.