If you have signal bars on your device but you can't browse the internet then it might be your APN settings that are not configured correctly.

For an Android mobile device: 

1. Go to settings, Wireless & Networks/More, Mobile network, Access Point Name (APN)
2. Select New Profile or New APN
3. Profile Name - rain
4. APN – rain
5. Leave the username and password empty/not set
6. Save the Profile
7. Go Back to Mobile Network
8. Select Network Preferred Type and make sure the option that has LTE/4G is selected

For an iOS mobile device:

1. Go to settings, Mobile data, Mobile Data network
2. Under Mobile Data set the APN to "rain"
3. Under LTE setup set the APN to "rain" (on the later versions of iOS)
4. Leave the username and password empty
5. Go Back to Mobile Data
6. Select Mobile data options
7. Select Voice and Data and make sure the option that has LTE/4G is selected.

For a Windows 10 mobile device:

1. Go to settings, Network & Wireless, Cellular & SIM
2. In Cellular select your SIM card
3. Select Properties
4. Under Internet APN select add an Internet APN
5. Profile Name - rain 
6. APN - rain

For a mobile or fixed Router:

1. Connect your phone to the router WiFi
2. Open a browser on your phone and connect to the router software by typing the following into the browser address line:
   • Huawei router - http://192.168.8.1
   • D-link, Telkom or ZTE router - http://192.168.0.1
   • TP-Link router - http://192.168.1.1
3. The router software home page will display, the username is admin and the password is admin
4. You can change the password to something you will remember easily. This username/password is when you want to log into the router software again.
5. Click on Settings > Dial Up > Profile Management. Even though the Profile name displays you must add a new profile.
6. Click on New Profile
7. Profile Name - rain 
8. APN - rain
9. Save the Profile
10. Make sure the new rain profile is selected
11. You can now set up your own personalised WiFi log in username and password. You will use this username/password when you want to connect your phone/laptop/tablet to the router WiFi.
12. Click Finish. You can now log out and close the browser tab.
13. If the device does not connect to the rain network automatically, restart the device and log in with the new WiFi password you created. 

For a Vodafone device:

1. Connect your phone to the router WiFi
2. Open a browser on your phone and enter http://VodafoneMobile.wifi in the browser address line or http://192.168.2.1
3. The router software home page will display, the username is admin and the password is admin
4. Click on Mobile Broadband Settings
5. Click Connection
6. Click the Drop down Arrow on "Account Type" and Select Custom
7. Under IPV4/IPV6 APN input "rain"
8. And save the Profile