having error 1 and on recovery mode

Error 1: problems at baseband. Error 1 usually occurs at the time of resetting the iPhone did exist in iTunes Connect Mode is often the case because of the concussion or the age of the age of the mobile phone that makes the iPhone searching signal.

Solution: replace ic baseband chipset. Warning: iPhone 5 and above (iPhone 5 5C 5S 6 6+) that searching or lost if the modem firmware can enter the menu can not return to the menu again and would in iTunes mode baseband as to ensure the problem is not the transmitter is in software iPhone must first if it works without error meant it was not a problem but an antenna or transmitter baseband exit when error other than 1 or -1, your iPhone has been difficult to be saved but if out error 1 or -1 for the technicians can try to lift the baseband chipset.