I just completed flashing a custom rom LiMoNcHeLo on the phone
I tried first by only wiping cache and phone was stuck for more than 10 mins at Lenovo splash screen
I couldn't find any source how to boot back to custom recovery TWRP mode. Finally through trial and error I got it booted into TWRP recovery by simultaneously pressing vol up+ vol down+ power buttons
The rom boot up in a few minutes after flash - I selected wipe data and cache this time
The rom looks like a mix of AOSP features cum Lenovo stuffs. This time all the missing stuffs as reported earlier on is now on the phone : Settings/Features is now available
Now in midst of restoring back my apps
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By the way the guide in flashing custom rom on page 1 is so complicated and tedious
I use a much much more simpler method
To get custom TWRP recovery, I just use the free app FLASHIFY to flash the twrp.img file
Than I use quick boot app to boot into TWRP recovery mode and flash the rom zip file
Please tell us more once ur flashing done. And how it looks like, how it behave, etc etc