What Is Uicc Unlock on Android And How To Fix The Error 407?

UICC is a modern sim card, and it has all capacity to perform like the usual sim and the universal network carrier card. But this can be locked anytime and can show you the irritating “407 error.” So, the lock can block the entire networking process.

Don’t agonize; this lock approach will not prevent you from using it. You can unlock it swiftly and fix the 407 error. So in this post, we will walk you through what is Uicc unlock on android and how to fix the error 407.

If your device displays the notification, it indicates that you are not permitted to operate the sim. Don’t be troubled; all you need is to stick with us in order to find out the valid error-fixing guidelines.

Table of Contents

What Is UICC Unlock on Android?

The UICC is a smart sim card that is mainly used for the mobile terminals of GMS and UMTS. It guarantees all kinds of personal data security for the user. UICC is more developed than the usual sim cards. In general, the normal sim cards are only allowed for domestic usage where UICC provides the universal inscription support.

The UICC card technology is created to operate for all possibilities, and when it finds the acceptable network, the sprint unlocks it automatically. But in some cases, it fails to auto-unlock, and you have to manually unlock it at that time.

Technically in two methods, you can unlock your device domestically and internationally. After unlocking the sim, you can insert any sim card carriers. Note that you have to unlock the UICC, not the device, so unlocking the device will not permit accessing all device-connected networks.

How To Fix UICC Unlock Error 407?

The UICC unlock error 407 is a common malfunction on the UICC sim card. In addition to the 407 errors, the 6600 and 6011 are familiar notification errors. This malfunction is disappointing because it keeps popping up every few minutes on the device’s screen.

Unless there is no hardware glitch, the error is fixable. Some handy fixation methods are discussed below, and the procedures will take some time –

1. Clear the Cache or Temporary Files

Cache or temporary files are generated from the use of applications, and it helps to extract apps fast. Excess amounts of temporary files can cause device slow-down and storage Possession.

These cache files are not necessary, and removing them from the device will not cause any functional issue. Sometimes, these files can be the reason for the UICC 407 error. So seasonal or frequent data wipe out can prevent your android device from 407 errors:

Extract the settings option from the UICC-connected device.
Under the settings, find the manage application.
Search the sim toolkit, and at the bottom screen, click on the clear data or cache files. Now, wait for the final removal.

2. Re-insert the Sim Card

A mismatched and invalid sim card sometimes creates the 407 error. So, for this, just turn off the device and pop out your sim card. Now keep it off for 1 minute and insert the card again. Turn on the phone and use it for a few minutes. If you see the 407-error notification again, then follow the next method.

3. OMADM Force Stop

This is an optional procedure because this process will turn off the unnecessary notification temporarily, and after a few hours, it will show up again. The command will turn off all kinds of functions of the sim until you start using any. So, when you start using the sim again, then the OMADM will activate.

Go to the phone’s settings.
Open the manage application.
Find the OMADM app, and click on the force stop at the bottom screen.

4. Replace UICC with AT&T Sim Card

This method is tricky, but most users apply this when they experience 407 errors. Changing the ATT sim card brings brand new changes to the sim settings and flushes out all the previous problems. However, you can only apply this method if you are not using the original carrier.

Before applying the method, make sure to consider the following things:

Your device is carrying the same sim card size.
Add a proper data plan package.

Now follow the given instruction to replace the AT&T sim card:

Turn off the device and remove the current sim card.
Insert the new sim card and turn on the device.
Connect your device with the Wi-Fi, and if it’s connected, then skip it.
Go to the original prepaid website.
Under the website, find My Device.”
Select the Update Device.
Place *#06# to get the IMEI code.
Now set the new sim card number and continue with the permissions.

Frequently Asked Questions (F.A.Q’s):

What are the Differences between Normal and UICC Sim Card?

The sim card stands for Subscriber Identification Module and the UICC Universal Integrated Circuit Card. SIM is for local use and allows you to run a specific number inside the country, where the UICC offers a universal network facility with 5G network service from any corner of the world.

How to Unlock UICC Sprint on Samsung Phone?

Go to the Samsung device’s sprint website. Now, download the USB redirector app for rooting two devices on the computer. After obtaining the remote address, now root the two devices using a USB and now access the website. It will auto-detect the Unlock boot and will assist you further.

What is UICC Sim?

This is a standard intelligent generation sim card for transferring the wireless sim from one device to another. It is also able to move the phone book, call log, and text messages. The user can easily change carriers by inserting the UICC card of a new carrier into their current handset.

What is MSL Unlock?

MSL or Master subsidy lock is the most used lock system in almost all kinds of devices and most common for postpaid clients. The manufacturer provides an unlock code, but they can manually open the software for security. So, according to the customer preference, they provide the code to unlock.

Conclusion

By using UICC, you can utilize the sim card in the most suitable way. You will get 3G-5G Network facility from anywhere that you will not get on usual sim cards. Also, the sim can be locked at any time if you purchase the device from another country. After removing the country carrier lock, you can furthermore use it.

Hopefully, now you have a good idea about what is Uicc unlock on android and how to fix the error 407, and even if your sim has been locked, it will not disturb you anymore because now you know that you can unlock it.