Guide to Verify if Your iPhone is Directly Embedded with a SIM Interposer

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Due to its widespread popularity, iPhones locked with a SIM interposer are flooding the market as International devices. However, not everyone has the expertise to disassemble and verify if an iPhone is locked with an embedded SIM. Hence, you need to use the trick to check if the iPhone is locked with an embedded SIM, allowing you to perform the verification directly on the iPhone.

When purchasing a used International iPhone, users should not only check the device's condition, origin, and stability but also verify the iPhone's IMEI to determine its source. However, checking the IMEI alone is not sufficient to distinguish between an International phone and a network-unlocked one. Therefore, an additional check is needed to see if the iPhone is directly embedded with a SIM, following the simple steps below to differentiate the devices.

Guide to Check if Your iPhone is Directly Embedded with a SIM Interposer:

Step 1

: Start by turning on the phone you wish to purchase. Navigate to Settings > Phone.

Step 2: Select the SIM Applications section. You will see the name of your SIM interposer displayed, such as the Heicard SIM interposer used to receive SIM cards from various Vietnamese carriers.

Depending on your specific SIM interposer, you'll have options like Lock SIM or Select Carrier.

Some types of SIM interposers have lengthy names and provide support for multiple iPhone models from 4S to 7 Plus.

For International phones using genuine SIM cards, options like Lock SIM or Select Carrier are nonexistent. Instead, you'll find Vietnamese language options like Utilities and Customer Support Hotline to assist users.

If you have a Vinaphone SIM, the SIM is named Max SIM.

Here's a clever trick to easily identify various SIM interposers locked directly into the motherboard, deceiving customers. When you encounter SIM interposers displaying options as mentioned above, it's advisable not to proceed with the iPhone purchase. Lock iPhones are priced lower than genuine iPhones by 3~4 million VND, and this is a tactic used by dishonest sellers to take advantage.

Users of locked iPhones are likely familiar with common issues such as being unable to recharge using *100*...# or checking the phone account balance with *101*, along with errors displaying +84. Therefore, every update request on a locked iPhone can be nerve-wracking, as accepting the update will erase all previously jailbroken fixes. To prevent automatic updates on your locked iPhone, the trick to block automatic updates is applicable to various iPhone models, helping you retain your customizations after Jailbreaking.

New users of premium iPhone models like iPhone 6, 6 Plus, or higher often face challenges due to the new interface. Especially for those transitioning from Android, effectively using the iPhone 6 or 6 Plus is not an easy task. To smoothly navigate and operate your iPhone with precision, check out the guide on efficiently using iPhone 6 and 6 Plus, covering the fundamental features applicable to iPhone 6s, 6s Plus, iPhone 7, and 7 Plus as well. Wishing all Apple enthusiasts valuable insights after exploring this article.

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