Freematics Forum

Posted: **Sat Aug 05, 2023 5:23 am**

I've unpacked my one+ and have started setting it up. I've downloaded the latest build of stanleyhuangyc/Freematics/tree/master/firmware_v5/telelogger and I've compiled it with Freematics Builder. I'm using Tello and have set the APN to 'wholesale'. When booting, I see that it detects the SIM card but fails to register, giving me an error +CPSI: NO SERVICE,Online.

I have tried swapping the direction of the SIM card in case I had it wrong but, as you can see in the bottom of the output, I then get NO SIM CARD. So it seems my SIM but can't register on the network. I have tried using this SIM in another device and it successfully joins using the same APN.

Code: Select all

CPU:160MHz FLASH:4MB
IRAM:342KB
DEVICE ID:xx
TYPE:14
MEMS:ICM-20948
ACC BIAS:-0.08/-0.01/1.02
GNSS:OK
OBD:NO
SD:30424 MB total, 0 MB used
File: /DATA/14.CSV
[CELL] Activating...
CELL:SIM7600A-H
IMEI:x
[CELL] Searching...
[BUF] 3 samples | 30 bytes | 1/32
[BUF] 9 samples | 90 bytes | 3/32
[BUF] 15 samples | 150 bytes | 5/32
[BUF] 21 samples | 210 bytes | 7/32
[BUF] 27 samples | 270 bytes | 9/32

+CPSI: NO SERVICE,Online

OK

[CELL] NO SERVICE,Online
[BUF] 33 samples | 330 bytes | 11/32
[BUF] 39 samples | 390 bytes | 13/32
[BUF] 45 samples | 450 bytes | 15/32
[BUF] 51 samples | 510 bytes | 17/32
[CELL] Activating...
[BUF] 57 samples | 570 bytes | 19/32
[BUF] 63 samples | 630 bytes | 21/32
CELL:SIM7600A-H
IMEI:x
[CELL] Searching...
[BUF] 66 samples | 660 bytes | 22/32
[BUF] 69 samples | 690 bytes | 23/32
[BUF] 72 samples | 720 bytes | 24/32
[BUF] 75 samples | 750 bytes | 25/32
[BUF] 78 samples | 780 bytes | 26/32
[BUF] 81 samples | 810 bytes | 27/32

+CPSI: NO SERVICE,Online

OK

[CELL] NO SERVICE,Online
[BUF] 84 samples | 840 bytes | 28/32
[BUF] 87 samples | 870 bytes | 29/32
[BUF] 90 samples | 900 bytes | 30/32
[BUF] 93 samples | 930 bytes | 31/32
[CELL] Activating...
[BUF] 96 samples | 960 bytes | 32/32
[FILE] 1KB
[BUF] 96 samples | 960 bytes | 32/32
CELL:SIM7600A-H
[BUF] 96 samples | 960 bytes | 32/32
[BUF] 96 samples | 960 bytes | 32/32
NO SIM CARD
IMEI:x
[CELL] Searching...
[BUF] 96 samples | 960 bytes | 32/32
[BUF] 96 samples | 960 bytes | 32/32
[BUF] 96 samples | 960 bytes | 32/32
[BUF] 96 samples | 960 bytes | 32/32
[BUF] 96 samples | 960 bytes | 32/32
Port closed

Posted: **Sat Aug 05, 2023 10:47 am**

Tello uses B2/B4/B12 which are all supported by SIM7600A-H.
Is the APN correct? If unsure, try leaving APN blank (default from network).

Posted: **Fri Apr 05, 2024 11:29 pm**

I have the same problem. I have tried different sim cards but with no result. They all stuck in activating! I have tested the sim with other tracking device and it works!

I have changed the APN via app before and now when I am trying to remove it via APP (as your suggestion) it does not allow it.
I can only rename the APN via app.
How to remove the APN if it was set from the app?

Thank you.

Posted: **Mon Apr 08, 2024 9:25 am**

You are getting the same NO SERVICE response?

Posted: **Fri Apr 19, 2024 1:37 pm**

You can try these steps: verify SIM functionality and APN settings, check SIM card placement, update firmware, and reset network settings. Retro Bowl

Posted: **Fri Apr 26, 2024 10:13 am**

If IP is obtained, this is not a hardware issue. Check if the SIM card has got enough balance.

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