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Gretel F2 Firmware
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Gretel A6 Firmware
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Gretel G5 Firmware
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Gretel A47 Firmware
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Gretel G10 Firmware
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Gretel U5 Firmware
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Gretel G2 Firmware
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Gretel E2 Firmware
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Gretel A8 Pro Firmware
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Gretel G4 Firmware
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Gretel G005 Firmware
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Gretel A7 Firmware
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Gretel G7 Firmware
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Gretel G906 Plus Firmware
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Gretel G3 Firmware
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Gretel G8 Firmware
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Gretel G1 Firmware
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Gretel E1 Firmware
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Gretel G9 Firmware
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Gretel A9 Firmware