Use a brand-new Ruijie EW1200G Pro. Flash path: out-of-box
stock ReyeeOS → Local Upgrade ReyeeOS 1.317 → Local Upgrade
lzdv-pisowifi-ew1200g-sysupgrade.bin. First-time setup usually takes 1 to 2 hours.
1 Unbox and prepare
Check parts, open factory router page, download files, get license key.
From the factory Local Upgrade page, install official ReyeeOS 1.317 first, then
lzdv-pisowifi-ew1200g-sysupgrade.bin. Do not flash other Reyee versions,
install_encypto.bin, or a 16 MB dump. Root and mtd are recovery only if 1.317
rejects the Lazy file.