Although there are several types of "locks" that can apply to a phone, the most talked-about type is a carrier lock, also known as a SIM lock or subsidy lock. Many phones sold by carriers come ...

Motorola's second ROKR. This GSM music phone features dedicated music keys, stereo Bluetooth, stereo FM radio, a 3.5mm headphone jack, full-size SD memory card slot, and a key lock switch.

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers ...

Our team selected the Motorola Moto G 5G 2023 as our top ... Locked cell phones sold through a particular carrier use ...