@imagomundi
Thank you for replying. I followed your advice. Here is what I got, please see the image too.
Within recovery:
Searching FRITZ!Box Fon WLAN 7050 (Annex A) at: 192.168.178.1
One system found! - Detecting the current version.
Version successfully detected!
Hardware: FRITZ!Box Fon WLAN 7050 (Annex A)
Bootstrap: 97
Firmware: annexa.en.14.04.26
Flash area (mtd2)
Deleting flash area (mtd2)
Restoring flash area (mtd2)
One system found! - Detecting the current version.
Version successfully detected!
Hardware: FRITZ!Box Fon WLAN 7050 (Annex A)
Bootstrap: 111
Firmware: annexa.en.14.04.26
Flash area (mtd1)
Deleting flash area (mtd1)
Restoring flash area (mtd1)
Checking flash area (mtd1)
Successful
Flash area (mtd0)
Deleting flash area (mtd0)
Could not recover the partition mtd0! WinError 10054
Bad news is my other FritzBox that I won on ebay.de is lost by Deutsche post, didn't know that seller will send by ordinary post