When you require the Samsung i337M Galaxy S4 unlocking code for free, it is necessary to contact the service provider that has blocked the mobile, it is the unique possibility if you want to have your phone unlocked for free. The carrier will provide you with the unlocking code if you are the cell phone plan owner. When you have not obtained the unlock code because you do not fulfill the carrier requirements, you can prompt the unlocking on our website.
Don't get complicated, the best way to calculate the unlocking code is our servers, when you put SIM cards from other network providers, the phone will require the unlock code, if you want to get it in a few hours, order it and we will send it to your email.
It is also interesting to indicate that on certain occasions you will need the MCK unfreeze code (when the attempts are wasted, the device requests the - SIM network PIN blocked. Enter SIM network PUK - ) and if you are going to use the phone in another continent, it will require the regional code RGCK. Movical.Net know all these situations and will send you the necessary codes.
No, once a Samsung is unlocked, it will be never relocked again, so you can update the firmware without any trouble.
You can use your i337M Galaxy S4 with any SIM card from Canada and abroad, such as Bell, Chatr, Fido, Freedom, Rogers, SaskTel, Telus Mobility, Videotron, Koodo, Solo Mobile network providers.
When a i337M Galaxy S4 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.
For most new AT&T, Cricket, metroPCS and T-Mobile models in the United States, the unlock method is different, it does not prompt the SIM network unlock PIN and uses the Device Unlock application, the app is usually already installed at the factory. You only have to order the unlocking and when server authorize us to unlock it, we will send you an email, just connect the device to WiFi and press Permanent Unlock within the application.
The most common is that the Samsung from Sprint, Verizon, Tracfone, Boost Mobile, StraightTalk or Simple Mobile from USA do not prompt the network unlock PIN, these smartphones are blocked by the carrier customized firmware. We can remove the network restriction for these cells, but it must be unlocked through software and sometimes with remote help from one of our technicians.
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.
Unfreeze code: If the code in step 3 does not work, type the secondary code and press Unlock, the phone will indicate Unlock fail, now dial the code again from step 3.
Device Unlock app method:
1. - Make sure you have an active data connection via mobile data or Wi-Fi.
2.- From the Application list, tap Device Unlock, the application is pre installed in your device.
3.- Choose the Permanent Unlock.
4.- Restart the device.
"El servicio ha sido de 10!"
"Respuesta excelente liberé el celular"
"Great service."
"Always quick and efficient. The best. I will be back"
"Thanks for your fast and great service "
© 2025 Grupo Redmobile S.L · Privacy Policy · Terms & Conditions · Cookies