^**__Question:__** What are the differences in versions?^
|**__Answer:__** Link: [[gsmhybridversion:start|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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