I ran into this problem after accidentally entering a 7 digit number for a new contact. I just rebooted my 4s and it is still working. After rebooting I checked that there were no contacts stored then went to Setting-Mail,contacts,Calendars-IMPORT SIM CONTACTS. I then did a restore on my 4s through Itunes.
I deleted the 7 digit entry on the android and resaved the info to the SIM. So I removed my SIM and put it in an old android I had and brought up the contacts and sure enough the problem contact was the first listed and the number was stored in both 7 digit and 10 digit format on the SIM card. I cleaned out that contact info from everywhere I could find it on my Iphone 4s but it would do the same error message each time.
I would send a text using the 10 digit number alone but almost immediately I would receive the error message with the number I had sent the text to now in a 7 digit format with the area code missing. I tried everything I could glean from the net to fix the text error I was receiving from ONE number in my contacts list which happened to be my significant other. Try a new text-nothing should pop up when you enter the number if everything is removed. Do this for every instance with the name and number in itĦ. Select REMOVE from the top right cornerĥ. Instead of selecting it for the text recipient, select the little "i" beside it and a new menu will pop up (that is the RECENT menu)Ĥ. Start a new text by typing in the first letter or so of the person's name (or the digits of the number) and they should still pop up in a drop down boxģ.
Delete the name and number from your contactĢ. I had to delete every instance of a text that had her number in it (including group texts), then when I reentered it, it worked! I believe the whole thing started when someone had her incomplete number in a group text, and from then on, it was getting her number from that recent text instead of mine! I found it by accident and there HAS to be an easier way, but here are the steps:ġ.
It dawned on me that her number and her contact info was stored in the memory as "recent text history". Even though I had deleted ALL texts to and from her and all contact info, the number was still stored elsewhere.
BY chance, as I was typing in the number for a new trial text, the number popped up from "recent history" (the list of all recent texts to that number or name). I had this same issue to a number I had been texting daily for months! After I tried everything-I figured it out! Even after I deleted the contact and set it all back up again, it still wouldn't work and I would get the "+1(1)216116-11 Error Invalid Number Please re-send using valid 10 digit number" error message.