Internet Access - ZyXEL Communications LTE2566-M634 User Manual

21.4 Internet Access

I cannot access the Internet through a 3G/4G wireless WAN connection.
Make sure you insert a 4G SIM card into the card slot before turning on the LTE2566-M634.
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If your SIM card has a PIN code, connect to the Web Configurator (http://192.168.1.1) using the user
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name (Default: admin) and password (Default: 1234) to unlock your SIM card.
Make sure your mobile access information (such as APN) is entered correctly. You can check this in the
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Web Configurator (http://192.168.1.1). The APN fields are case-sensitive, so make sure [Caps Lock] is not
on. Check with your service provider for the correct APN if you do not have it.
Make sure your SIM card's account is valid and has an active data plan. Check your service contract or
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contact your service provider directly.
Make sure your data plan has not reached its limit.
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If you are using a pre-paid SIM card, insert the SIM card on another mobile device to check if the SIM
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card still works. If the SIM card works without any problems on another mobile device, contact the
vendor. Otherwise, contact your service provider.
Make sure you are in the ISP's coverage area.
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If the problem continues, contact your ISP.
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I cannot access the Internet anymore. I had access to the Internet (with the LTE2566-M634), but
my Internet connection is not available anymore.
Reboot the LTE2566-M634.
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Make sure the LTE2566-M634's WiFi network is enabled. You can enable LTE2566-M634's WiFi network on
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the LCD.
Make sure your SIM card's mobile data is enabled. Check this in the Web Configurator.
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page 56).
If you have set a data limit, make sure you have not reached it yet. Check your data left in the Web
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Configurator.
If the problem continues, contact your ISP.
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One of my clients cannot access the Internet anymore. They had access to the Internet (with the
LTE2566-M634), but the Internet connection is not available anymore.
Chapter 21 Troubleshooting
LTE2566-M634 User's Guide
134
(Section 7.6 on