Absolutely not. V2.0 firmware is incompatible with V1.0 hardware.
Usually not, but major version jumps (V1 → V2) may reset to defaults. Always backup. tenda d305 firmware update latest version
Go to Status → DSL Statistics → Look for SNR margin (should be >6 dB) and attenuation. 10. Conclusion The latest Tenda D305 firmware (V2.0.0.10 for HW V2.0 / V1.0.0.28 for HW V1.0) delivers important security patches and stability fixes for aging ADSL/VDSL networks. While the update process is straightforward, paying attention to hardware version matching and using a wired, stable power connection is essential. Absolutely not