Troubleshooting Guide: How to Fix Jio SIM Not Working and No Service Issues

If your Jio SIM isn't functioning properly—whether it's showing no service or experiencing network issues—there's no need to panic. This comprehensive guide will help you understand the common reasons for these problems and provide step-by-step solutions to get your Jio SIM working smoothly again.

Common Reasons for Jio SIM Issues

1. Poor Signal Strength:
   In rural areas or locations with weak network coverage, you may experience limited or no signal, which can affect service availability on your Jio SIM.

2. Incorrect SIM Slot:
   Modern smartphones often feature hybrid SIM slots. If your Jio SIM card is incorrectly inserted into the microSD card slot, it won't function.

3. Locked SIM Card:
   If you haven't used your Jio SIM for an extended period, it may become locked. In such cases, you will need to contact Jio customer care to unlock your SIM.

4. Damaged SIM Card:
   Mishandling the SIM card during insertion or removal can cause physical damage, which may require you to get a replacement from customer care.

5. Blocked SIM Card:
   If you've violated Jio's terms and conditions or if your SIM has been inactive for a long time, it could be blocked. Customer care can assist you in unblocking it.

Solutions to Fix Jio SIM Not Working and No Service Issues

1. Set Default Jio SIM for Internet

If your Jio SIM is detected but shows no network service, you can set it as the default for internet usage:

• Navigate to Settings > SIM Cards/SIM Management > Edit SIM > Data Internet.

• Select the Jio Network and ensure it is set up for LTE/4G.

2. Use Network Radio

To resolve network-related issues, follow these steps:

• Open the phone dialer and dial ##4636##.

• Tap on "Phone Info" and run a Ping Test to check connectivity.

• Set the network type to LTE/GSM Auto.

• Turn off the radio and switch it back on.

• Restart your phone to complete the process.

3. Restart Your Phone

A simple restart can often reset your network connection and resolve connectivity issues.

4. Configure APN Settings

Ensure your Access Point Name (APN) settings are correctly configured. Here’s how:

• Go to Settings > Mobile Network > Access Point Names > Add.

• Enter the following details:

  • Name: JioNet

  • APN: jionet

  • Leave other fields (like Proxy, Port, Username, and Password) as default or empty.

  • MCC: 405

  • MNC: 857, 863, or 874 (depending on your plan)

  • APN Protocol: IPv4/IPv6

5. Manually Set Network

If you're still experiencing a lack of signal, try manually setting your network:

• Go to Settings > Connections/Network & Internet.

• Set the network mode to WCDMA.

• Turn off mobile data if it’s already on.

• Select the preferred network by going to Operator > Search Network > Preferred Network.

6. Troubleshooting for iPhone Users

If you're using an iPhone and encountering connectivity issues:

• Go to Settings > Cellular and ensure Cellular Data is turned on.

• Click on Restore Network Settings to reset your network configurations.

• Check your connection on the LTE network.

• Navigate to Settings > Mobile Network > Preferred Network and choose LTE.

7. Making Calls with Jio

To make voice calls using your Jio SIM, ensure that your phone is VoLTE-enabled. If it supports LTE or VoLTE, download the JioVoice 4G app from the Google Play Store, create an account, and log in to start making calls over the Jio Network.

Conclusion

If your Jio SIM is not working, don't worry. The troubleshooting steps outlined above should help you identify and resolve most common issues. If problems persist, reaching out to Jio customer care is the best course of action for additional support.

FAQs

Also Read: Check Jio Data Balance: 4 Simple Methods, Important USSD Codes

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