What does telecom mobile phone PRL mean?

It doesn't matter. That's for roaming abroad. It doesn't matter at ordinary times With PRL tips:

1, what is PRL?

A: PRL is the abbreviation of preferred roaming list. When the operator starts a new frequency (such as 3G), the original users need to update the PRL file. When the operator signs a new roaming service provider and the user needs to roam abroad, the PRL needs to be updated.

2. How to update PRL?

Answer: Send SMS update manually: Send PRL (case insensitive) to 10659 165. PRL server downloads 4 short messages (Chinese or English: 1/4 PRL update in progress, 2/4 PRL update in progress, 3/4 PRL update in progress, PRL update succeeded; PRL update in progress 1/4, PRL update in progress 2/4, PRL update in progress 3/4, PRL update succeeded). Only when the last message is received can the PRL update be proved successful. If you didn't receive the last message, please try again later.

Update through the terminal menu (only supported by some new phones): On the mobile phone, enter the "Customer Service" menu under the main menu and select the "Roaming List Update" submenu. The terminal automatically sends SMS to update PRL. PRL server downloads 4 short messages (Chinese or English: 1/4 PRL update in progress, 2/4 PRL update in progress, 3/4 PRL update in progress, PRL update succeeded; PRL update in progress 1/4, PRL update in progress 2/4, PRL update in progress 3/4, PRL update succeeded). Only when the last message is received can the PRL update be proved successful. If you didn't receive the last message, please try again later.

3. Can I update PRL when roaming internationally?

A: PRL updates are only available in China. If the user has gone abroad, PRL will not be updated. So be sure to update PRL before going abroad.

4. Why can't my terminal receive the PRL update message?

A: In order to successfully update PRL, there must be 4 available messages in the SMS inbox of R-UIM card. If the SMS inbox of R-UIM card is full, please delete other SMS first to ensure that there are 4 storage spaces.

5. How to update the PRL of the data card?

Answer: If the data card has a short message receiving and sending interface, you can do it according to the above. However, some data card SMS modules can't handle PRL update SMS correctly. R-UIM card needs to be inserted into mobile phone for PRL update.

6. I have updated the PRL. Do I need to update my mobile phone or card?

Answer: PRL is stored on the R-UIM card, so it must be updated again after changing the card. The updated R-UIM card is inserted into other mobile phones and does not need to be updated again.

7. Is there a difference in PRL updates on different mobile phones?

A: By sending SMS updates manually, this process is the same on any mobile phone.

8. How do I know if my R-UIM card needs PRL update?

A: All R-UIM cards issued before April 2009 need to be updated. Because there is no way to identify whether R-UIM needs to be updated, it is safest to update manually when the batch time of issuing cards cannot be determined.

I hope my answer is helpful to you. More questions can be found in Hubei 10000!