The locked iPhone 15 is a smartphone sold with an exclusive contract with a carrier, so it cannot send messages, make calls, etc. when using a SIM card from another company. However, some stores have used hardware intervention tricks to unlock and distribute the device. Most of these iPhones are hand-carried from the US and Japan to domestic users.
The two iPhone 15 Pro and 15 Pro Max in the US market have a different motherboard design compared to the rest of the world . Because the device does not have a SIM tray space, adding a physical SIM card in the usual way is not easy.
Using a specialized ICCID code to turn a locked device into an international version is also impossible because Apple has been continuously "sweeping" since the beginning of 2023. The method of replacing the mainboard is also not feasible due to high costs.
In addition, locked iPhone 15 and 15 Plus are sold in large quantities because they are easy to unlock, the arrangement of hardware components and motherboard is similar to iPhone 14 series, so technicians can apply old methods such as "upgrading" to add a physical SIM and installing a combined SIM to turn it into an international device with full functionality.
The first standard locked iPhone 15s in Vietnam cost about 16.5 million VND, while the Plus version costs from 18.5 million VND, 7-10 million VND lower than the genuine device.
iPhone 15 lock is being sold in the Vietnamese market.
According to the recommendations of iPhone experts, users should still consider before deciding to buy a locked iPhone because some locked iPhone 14 and 15 have weak signal and loss of signal when entering areas where 5G network is not popular.
In case of physical sim, switching back to esim is also very complicated, can make it difficult for the device to access new updates and is not covered by genuine warranty in Vietnam.
Locked iPhones are at risk of having their components swapped during the process of disassembling the device to unlock it. Therefore, users should choose reputable addresses with clear commitments on warranty and repair policies.
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