If you want to get the unlocking code for your Huawei P40 4G, we recommend you to contact to the original carrier, because it is the only way to obtain the SIM network unlock PIN for free. You must know that you need to fulfill the carrier's requirements, such as being the cell phone plan owner. At Movical.Net we know that sometimes it is complicated to fulfill these requirements, if your device is a second-hand phone or if you are in another country it will be a really complicated task.
The fastest method to obtain the unlocking is ordering in our website, when other SIM cards are inserted, and your Huawei P40 4G asks you for the code; you must fill out the questionnaire and in a few hours you will receive an email with the unlock instructions.
It should be noted that to unlock a Huawei device, sometimes, the unfreeze MCK code is required (if the attempts are exhausted, so the mobile phone will show - SIM network PIN blocked. Enter SIM network PUK - ) or could be necessary the regional code RGCK (if you are going to use the mobile in another continent or region), in our company we also provide these unlock codes.
No, once a Huawei is unlocked, it will be never relocked again, so you can update the firmware without any trouble.
You can use your P40 4G with any SIM card from USA and abroad, such as Spectrum, C Spire, AT&T, US Cellular, Cingular, Cricket, Nextel, Sprint, T-Mobile, Verizon, MetroPCS, Tracfone, Boost Mobile, Aio, Net10, StraightTalk, H20 Wireless, Simple Mobile, Virgin Mobile, Family Mobile, Xfinity Mobile, Viaero, Total Wireless, Ultra Mobile, Visible Wireless network providers.
When a P40 4G does not reject your new SIM card but does not allow you to make calls, it is most likely that the IMEI has been blacklisted. You need to contact with the carrier to solve it.
1. - Turn on the handset on with a SIM card not accepted by the device (your new network operator)
2. - If the card has a PIN number, enter it and press OK.
3. - The device will prompt: “Network lock”, Now enter the code and press OK.
4. - Your phone will indicate: "The operation was successful", becoming permanently unlocked.
4b.- If your phone inidcates SIM lock, introduce secondary code, and press OK, then dial the code again from step 3.
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