Do I need a SIM and a mobile service plan for LTE-M?

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Read this official Leafony page and explain its key points in English. For hardware help, first ask for a photo or the installed leaf models, assembly and power sources, then the goal and tools. Clarify which LED or display changed and whether a cable or leaf was replaced. Do not equate an unseen reset button with an absent one, or I2C acknowledgement with a working display. Verify specifications against sources; distinguish observations from hypotheses. Follow a redirect to its destination; if unreadable, ask for the relevant text instead of guessing.

Page: Do I need a SIM and a mobile service plan for LTE-M?

URL: https://docs.leafony.com/en/questions/ac09-sim/

Description / headings (excerpt): AC09 uses a nanoSIM. Check the 1NCE or SORACOM sample settings alongside your kit and network requirements.

Yes. To use the mobile network with AC09, prepare a compatible nanoSIM, an active service plan, and the required settings. Even when a product includes a SIM, check its service status and configuration.

The AC09-to-Google-Sheets sample documents SIM settings for 1NCE and SORACOM (plan-D). Match settings such as the APN to your SIM.

When choosing a SIM, check:

Cat-M1 service requirements and coverage in your area
SIM size, activation or service status, and contract terms
The sample’s APN settings and your MCU/communication leaf configuration

The published sample targets AP03 + AI01 + AC09. It does not verify operation with the AP03B + AI05 Cat-M1 Kit or guarantee compatibility with every SIM. Check Cat-M1 Kit development preparation and AC09 specifications for the target configuration.