Cum să activez 4G pe Oppo?
How can I connect to 4G network on Oppo? 4G is the fourth generation of mobile phone technology, succeeding 3G. A 4G system must provide capabilities defined by ITU in IMT Advanced. Due to the widespread adoption of the 3GPP Long Term Evolution (LTE) standard, 4G is often referred to as LTE. LTE offers a …