[Q] Question TO all topic

hi good day, im new in this forum..hope someone will help.

i want to ask if someone already modified their, SystemUI.apk, Framework-res.apk, Mediatek-res.apk?
if have can you please help me do modify it and can you please provide SS or any TUT and link how can i edit...
by the way im using LENOVO A536

Thanks in advance.. ^^

hope someone here will help me.. :crying::crying: