### [【Firmware】UNG Optical Modem GM228S EPON-GPON EN Language Firmware](https://www.vwodis.com/en/article/7824.html)

**Published:** 2025-11-27T08:10:59

**Author:** admin

**Excerpt:** UNG Optical Modem GM228S EPON-GPON EN Language Firmware…

UNG Optical Modem GM228S EPON-GPON EN Language Firmware

UNG Optical Modem GM228S EPON-GPON EN Language Firmware

UNG Optical Modem GM228S EPON-GPON EN Language Firmware

![](https://admin.vwodis.com/wp-content/uploads/2025/11/2025112708110632.jpg)

**Categories:** ONU Firmware

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