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Question: What are the differences in versions?
Answer: Link: please read the info at this link
Version GSM Hybrid PCB info and modifications
V.1 GSM Hybrid B revision
V.2 GSM Hybrid B Power supply modification
V.3 GSM Hybrid B > C Changed power supply
V.4 GSM Hybrid C improve Sim card detection modification
This fixes the sim card not inserted issues that occur in some countries.

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gsmhybridversion/start.txt · Last modified: 2022/07/18 09:25 by support