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ATM 4G ECE With custom SIM
26-02-2022, 15:27 PM,
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walkernight88 Offline
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ATM 4G ECE With custom SIM
Hi all,

I've bought a broken ATM 4G from a friend and made some tests with it. Seems fine so far. What he tried to do move the eSIM (MFF2) from TCB to ATM but he damaged the ATM pads.

Dismantling it found out it uses Peiker 1140-100 (LTE EU) modem and it has only 1 sim installed by factory. Modem supports 2 sim cards tho...

There are ATM modules in US which use sim trays not MFF2 format.

I've soldered a compatible SIM card (on phone works 2G/3G/4G). They only use 5 out 8 pins (VCC, GND, CLK, RESET, IO). It's the roof model, and some pads can be found on both sides of the pcb.

Here are the results... (works, no more SOS warnings and s**t like that). I will test later with other sim cards, as I am going to install a sim tray. Currently it was connected to 3G network (HSDPA/UMTS) as in garage I have very poor network reception... biggrin


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Messages In This Thread
ATM 4G ECE With custom SIM - by walkernight88 - 26-02-2022, 15:27 PM
RE: ATM 4G ECE With custom SIM - by walkernight88 - 27-02-2022, 17:56 PM
RE: ATM 4G ECE With custom SIM - by walkernight88 - 24-02-2023, 02:01 AM
RE: ATM 4G ECE With custom SIM - by slackers - 24-02-2023, 08:30 AM
RE: ATM 4G ECE With custom SIM - by walkernight88 - 24-02-2023, 11:45 AM
RE: ATM 4G ECE With custom SIM - by slackers - 24-02-2023, 13:26 PM
RE: ATM 4G ECE With custom SIM - by volaltd - 26-02-2023, 10:57 AM
RE: ATM 4G ECE With custom SIM - by walkernight88 - 26-02-2023, 15:31 PM
RE: ATM 4G ECE With custom SIM - by volaltd - 26-02-2023, 18:47 PM
RE: ATM 4G ECE With custom SIM - by walkernight88 - 13-12-2023, 11:17 AM

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