AVM FRITZ!Box 3370 Rev. 2 (Micron NAND) OpenWrt Firmware
The AVM FRITZ!Box 3370 Rev. 2 (Micron NAND) is supported by OpenWrt/ImmortalWrt on the lantiq/xrx200 target. 8 firmware images are available from the official OpenWrt 25.12.5 and ImmortalWrt 25.12.1 stable releases — download one below, or build a custom OpenWrt image for this device with your own package selection.
Build matrix
Supported firmware versions
| Distribution | Version | Target | Profile |
|---|---|---|---|
| OpenWrt | 25.12.5 | lantiq/xrx200 | avm_fritz3370-rev2-micron |
| ImmortalWrt | 25.12.1 | lantiq/xrx200 | avm_fritz3370-rev2-micron |
Downloads
Download images
OpenWrt 25.12.5 · lantiq/xrx200
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-lantiq-xrx200-avm_fritz3370-rev2-micron-squashfs-eva-kernel.bin | eva-kernel | f0f1322f6fbb… |
| openwrt-25.12.5-lantiq-xrx200-avm_fritz3370-rev2-micron-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | da20b068197a… |
| openwrt-25.12.5-lantiq-xrx200-avm_fritz3370-rev2-micron-squashfs-eva-filesystem.bin | eva-filesystem | 12059772dadf… |
| openwrt-25.12.5-lantiq-xrx200-avm_fritz3370-rev2-micron-initramfs-kernel.bin Minimal kernel image, useful for first install or recovery. | kernel | 4fa92af6b0af… |
ImmortalWrt 25.12.1 · lantiq/xrx200
| Image | Type | sha256 |
|---|---|---|
| immortalwrt-25.12.1-lantiq-xrx200-avm_fritz3370-rev2-micron-squashfs-eva-kernel.bin | eva-kernel | 696facf26cf3… |
| immortalwrt-25.12.1-lantiq-xrx200-avm_fritz3370-rev2-micron-squashfs-eva-filesystem.bin | eva-filesystem | 6091c5235185… |
| immortalwrt-25.12.1-lantiq-xrx200-avm_fritz3370-rev2-micron-initramfs-kernel.bin Minimal kernel image, useful for first install or recovery. | kernel | 88f03f205584… |
| immortalwrt-25.12.1-lantiq-xrx200-avm_fritz3370-rev2-micron-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | a9574ed19f30… |
Downloads are served by the official OpenWrt/ImmortalWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the AVM FRITZ!Box 3370 Rev. 2 (Micron NAND) ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
OpenWrt 25.12.5 · lantiq/xrx200
Device packages (6)
kmod-ath9k wpad-basic-mbedtls kmod-usb-dwc2 fritz-tffs xrx200-rev1.1-phy11g-firmware xrx200-rev1.2-phy11g-firmware
Target default packages (37)
apk-mbedtls base-files ca-bundle dnsmasq dropbear dsl-vrx200-firmware-xdsl-a dsl-vrx200-firmware-xdsl-b-patch firewall4 fstools kmod-dsa-gswip kmod-gpio-button-hotplug kmod-leds-gpio kmod-ltq-atm-vr9 kmod-ltq-deu-vr9 kmod-ltq-ptm-vr9 kmod-ltq-vdsl-vr9 kmod-ltq-vdsl-vr9-mei kmod-nft-offload libc libgcc libustream-mbedtls logd ltq-vdsl-vr9-app ltq-vdsl-vr9-vectoring-fw-installer mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoa ppp-mod-pppoe procd-ujail uci uclient-fetch urandom-seed urngd
ImmortalWrt 25.12.1 · lantiq/xrx200
Device packages (6)
kmod-ath9k wpad-basic-openssl kmod-usb-dwc2 fritz-tffs xrx200-rev1.1-phy11g-firmware xrx200-rev1.2-phy11g-firmware
Target default packages (41)
apk-openssl base-files block-mount ca-bundle default-settings-chn dnsmasq-full dropbear dsl-vrx200-firmware-xdsl-a dsl-vrx200-firmware-xdsl-b-patch firewall4 fstools kmod-dsa-gswip kmod-gpio-button-hotplug kmod-leds-gpio kmod-ltq-atm-vr9 kmod-ltq-deu-vr9 kmod-ltq-ptm-vr9 kmod-ltq-vdsl-vr9 kmod-ltq-vdsl-vr9-mei kmod-nf-nathelper kmod-nft-offload libc libgcc libustream-openssl logd ltq-vdsl-vr9-app ltq-vdsl-vr9-vectoring-fw-installer luci mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoa ppp-mod-pppoe procd-ujail uci uclient-fetch urandom-seed urngd
Installation notes
- Already running OpenWrt or ImmortalWrt: flash the sysupgrade image from LuCI (System → Backup / Flash Firmware) or with the sysupgrade command.
- The kernel / initramfs image boots from RAM without writing to flash — useful for a first install or for recovering from a failed flash.
- Verify your download against the published checksum before flashing:
$ sha256sum openwrt-25.12.5-lantiq-xrx200-avm_fritz3370-rev2-micron-squashfs-eva-kernel.bin f0f1322f6fbb0b2fc3fdfa788771505d013bea81954ace6b2fee6884638781f9 openwrt-25.12.5-lantiq-xrx200-avm_fritz3370-rev2-micron-squashfs-eva-kernel.bin
Build custom firmware
Need more than the default image for the AVM FRITZ!Box 3370 Rev. 2 (Micron NAND)? Pick your packages — LuCI apps, themes, VPN clients — set the basics, and get a ready-to-flash OpenWrt image assembled from official packages in minutes.
Customize firmware for this deviceRelated
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Upstream
Upstream & source
- downloads.openwrt.org — lantiq/xrx200 25.12.5
- downloads.immortalwrt.org — lantiq/xrx200 25.12.1
- OpenWrt Table of Hardware
Images are assembled from packages compiled and published by the upstream OpenWrt and ImmortalWrt projects. The complete corresponding source code is available from those projects under the GPL.