The OPPO A8 is a great budget phone held back by bad software. The Global ROM is the key that unlocks its true potential. Just remember to back up your IMEI first, and never use "Format All" in the flash tool.
To understand the "Global ROM," you must first understand that OPPO manufactures different software versions for different regions. oppo a8 global rom
While it is a Chinese version (PDBM00), it supports various languages and can work with global networks (2G/3G/4G bands 1/3/5/8). "Global ROM" Conversion: The OPPO A8 is a great budget phone