I not saying you should not check the physical condition of the device, but there are some other important things to check and that why checking the IMEI iPhone comes in hand. The other field, warranty is there to let you check if your phone is covered by a warranty and you set the date as this warranty applies. The same is true if you have unlocked your iPhone factory on your network provider and try to activate your iPhone after Entsperrbestätigung Check if there is an answer to an email that your iPhone is unlocked. The device then activates at the factory and you are not on a mobile operator described. With the point of sale and if you sign a contract with a mobile operator, it is understandable, but after it can be difficult to get a handset unlocked. Step 1: Use this check IMEI Offer (Credible and Recommended) Step 2: Set iPhone IMEI (Here how to get your iPhone IMEI) Step 3: Complete the order and wait for your iPhone Message .What device All you need to do is to buy a SIM card of your choice because it is probably already unlocked. The main reason why someone should check the IMEI number for iPhone is to make sure the seller really clean phone that was not banned or blacklisted from the mobile phone Träger. Simply preview the window and choose those who if you buy a used iPhone, we recommend that you also check the iCloud activation status of your device to confirm if it is a device on the device iCloud activation is enabled. Google Nexus 5 Unlocked Phone Deals more.