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Getting started
Take a tour around the Onomondo app and get your first SIMs online.
Setting up a SIM
Get your first SIM online.
How do I set up a SIM?Set the APN to: onomondo and test your connection.
How to set the APN?Use the AT+CGDCONT command or type the APN directly into your device interface.
What is the correct APN?The correct APN is: onomondo.
Is it possible to set a custom APN?No, the APN always has to be set to: onomondo.
Can I leave the APN blank?Yes you can, but your device might not be able to access the Internet. Set the APN to: onomondo to avoid issues.
Where do I find the PIN / PUK code for my SIM?Our SIMs do not require PIN / PUK codes.
Onomondo app features
Learn how to use the Onomondo app.
Network Insight ToolsNetwork Logs, Signaling Logs and Traffic Monitor5 articles
SMSSend SMS to your device4 articles
UsageSee your data consumption across SIMs1 article
Network ListsControl the networks your devices can connect to.2 articles
Users and Access Management6 articles
API3 articles
Webhooks3 articles
Connectors11 articles
OpenVPN2 articles
Audit Logs & Error Logs2 articles
Basic connectivity tests
Test before you deploy.
How to test connectivity with AT commandsBy using the AT command sequence, you can establish a data connection to Onomondo to test modem connectivity.
How to ping your modem using AT commandsAfter network attachment, you can check the data connection by performing a ping with your modem. This is an effective way to debug issues.
I have inserted the SIM into my device and it cannot come online.Make sure that APN, data roaming, and network selection settings are correct.
Which application protocols are allowed by Onomondo?Onomondo network puts no restrictions on the protocols you use.
Can I get a public static IP address?For security reasons, the VPN IP address for each user is static and private.
What is the NAT timeout on the Onomondo network?Default NAT timeout is set to 15 minutes (900 s).
SIM management guides
Control your SIM properties and resources.
How do I set up Tags?Tags allow you to group SIMs, users, connectors and network lists into sub-groups within your organization to customize control and views.
How can I bulk add SIMs to a Tag?Once you have created a Tag, it's simple to bulk add it to a group of SIMs using the SIMs tab on the Platform or the API
How do I set Usage Alerts?Usage alerts give you the ability to keep tabs on the usage of individual SIMs.
Is there an option to look up a SIM number based on IMEI of the device?Yes, you can search SIMs by device IMEI in the Onomondo app.
What does the IMEI lock do?IMEI lock allows you to permanently pair the SIM with a single device.
Best practices
Proactively prevent connectivity issues.
Improve coverage with automatic network selectionFind out how leaving PLMN lists blank reduces SIM registration times, saves power, and reduces the chances of a poor-quality connection.
Implementing Connectivity Recovery ModeDevices are capable of behaving abnormally and can be lost without a connectivity recovery mode.
Recommended Robustness TestsLearn about SIM and device interaction during development. It can help prevent surprises after deployment.
What is the FPLMN (forbidden network) list on a SIM?The FPLMN list on a SIM tells a modem which networks it can’t connect to.
How to clear the FPLMN list on the SIMFPLMN can be cleared either with AT commands or through physical removal of the SIM.
What's the maximum size of MTU on Onomondo network?Onomondo supports max. MTU of 1360.
How do I add a Network Preference List (PLMN)?Network preference lists prioritize specific networks over others, even if the preferred network has a weak signal.