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GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
UPGRADING AND PROVISIONING
Unified Firmware
The GRP2612 / GRP2612P / GRP2612W / GRP2613 / GRP2614 / GRP2615 / GRP2616 support unified
firmware for all GRP261X/GRP2624/GRP2634 models.
Figure 12: GRP261X/GRP2624/GRP2634 Unified Firmware
Dual-image Firmware
The GRP261X/GRP2624/GRP2634 series support dual-image firmware allowing to store two copies of
firmware on flash to avoid bricked device on unsuccessful upgrade and down time.
The user can rollback to previously loaded firmware from phone’s Menu System Alternative
Firmware, and press “Rollback”.