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Unlocking the bootloader allows installing and running unsigned code on a device, including user customized software. Operating outside the manufacturer specification might usually result in voiding any warranties and may make the device susceptible to data theft, as the integrity of the operating system (as intended by the manufacturer) can no longer be guaranteed. [1]
The series starts with the announcement of realme GT 5G in February 2021, which was released in March 2021.It was codenamed realme Ace before the announcement. It is equipped with a flagship Qualcomm Snapdragon 888 processor and include GT Mode which claims to increase the performance of the phone for smoother gaming experience.
SIM unlocking allows a phone that is locked to a certain carrier to be used on a different carrier. The instructions vary per device and carrier, but this might be done by first requesting the carrier to unlock the phone or purchasing an unlock code online. [33]
The Realme 5i, an upgraded version, was released in January 2020. It is similar to the base mode Realme 5, but has an 8 MP camera at the front and a different back design. The price of the base model of Realme 5i is the same as the base model of the Realme 5, starting at ₹11,999. The Realme 5i has 64 GB internal storage with 3 GB RAM.
GSM networks use the IMEI number to identify valid devices, and can stop a stolen phone from accessing the network. For example, if a mobile phone is stolen, the owner can have their network provider use the IMEI number to blocklist the phone.
A virtual base transceiver station (VBTS) [5] is a device for identifying the temporary mobile subscriber identity (TMSI), international mobile subscriber identity (IMSI) of a nearby GSM mobile phone and intercepting its calls, some are even advanced enough to detect the international mobile equipment identity (IMEI).
Both Realme 7 and Realme 7 Pro are equipped with a quad-camera setup consisting of a 64-megapixel Sony IMX682 main camera with light-sensing ability, 1/1.73" large sensor size, 0.8 qm pixel size, f/1.8 aperture, 26 mm focal length, PDAF and Quad Bayer support; an 8-megapixel wide-angle camera with a 119-degree field of view, 1/4.0" sensor size, 1.12 qm pixel size, f/2.3 aperture and 16 mm ...
Even if mobile phones are able to use 3G or 4G (which have much stronger encryption than 2G GSM), the base station can downgrade the radio communication to 2G GSM and specify A5/0 (no encryption). [20] This is the basis for eavesdropping attacks on mobile radio networks using a fake base station commonly called an IMSI catcher.