You are now inside TWRP Recovery. Do not skip wiping – old Jelly Bean files will crash Nougat.
Flashing custom firmware voids your warranty, wipes all your data, and carries a risk of “bricking” (turning into a paperweight) if done incorrectly. Follow every step precisely.
: While some enthusiasts tried even newer versions (like Android 8.1), 7.1.2 was found to be the "sweet spot" for the aging TI OMAP 4430 dual-core processor and its limited 1 GB of RAM The Impact
Nougat introduced "Bundled Notifications" and "Direct Reply."