Bought to replace a Livebox, which cost me 3 / month. This modem is itself in less than a year and allowed me to gain speed and stability (fewer cuts than before). For installation, I have not encountered any worries. The firmware (firmware) can be updated to any safety concerns. For the manual in French; it is found on the manufacturer's website in 2 minutes: [...]) In summary, although it is not the best nor the most complete, this modem router should suit 90% of people. A great buy, especially given the price (thirty euros as I write these lines).