Hi @Chimpthepimp - sounds like great work! Still hard for me to believe that PIE is possible on the S4 mini. So I would like to give it a try.
I am still a real beginner. I have just successfully flashed for the first time a custom rom: /e/OS on my old S4 mini (GT-I9195). And it works! Now I am very keen on learning and getting more practice, as I really think /e/ is a great project (I already switched my personal phone to an S7 edge from the /e/-store).
I have 2 small questions
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I installed /e/os nougat with TWRP 3.3.1. (not the latest version 3.4.0 as this apparently provoked in some cases an error 7 as written in this thread thread). Would you recommend me to update TWRP to 3.4.0 for the installation of the pie version or can I go on with 3.3.1.?
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Just to be sure I understand correctly: BEFORE installing I start TWRP > Wipe > and then select system, data and cache (and nothing else such as e.g. Dalvik/ ART cache)? Afterwards I can directly install the zip file of the PIE version - is that correct?