Huawei P40 Pro, iPhone 12 Pro, and Xiaomi 11 are popular smartphone models currently available in the market. They are equipped with different operating systems such as EMUI 10.1, iOS 14, and MIUI 12.5 respectively.
To use the mobile phone, it is necessary to settle any outstanding fees associated with the previous SIM card at the mobile service provider’s office. Failure to do so may result in being blacklisted, preventing the user from obtaining a new mobile phone service in that specific region.
【移动黑名单解除技巧】A mobile phone, also known as a cellular phone or wireless phone, was originally designed as a communication tool. In the past, it was often referred to as a “brick” due to its large size. Over the years, mobile phones have evolved into portable telecommunication devices that can be used over a wide area. The concept of mobile phones originated from the battlefield mobile telephony equipment developed by Bell Labs in the United States in 1940.
