No need to wipe though you are told to do so
You can try without wipe first. I have install ontop of bigxie 9-2 without wipe n is perfect. If you face fc than only do a wipe
I have been testing roms all without wipe ontop of one another never faced any issues so far

try Contact2Sim. There is Pro version available too.

factory reset it in ClockworkMod Recovery.. if your phone is rooted

I have no idea if this work, but try this...

use another phone to call your phone, when your phone rings, pull down the notification bar and go to settings and enable wifi, then proceed from there

Came across this a few minutes ago ..... you can try it out!! 

Came across this a few minutes ago ..... you can try it out!!  

Never happens to me before. Can't help. One of the blogger said:

Enter your email address in to the device
In the password field enter “null” without the speech marks.
You will then be prompted to enter a new pattern and once again you have your phone back in action with all data intact.

Taken from http://matthewhollander.com/locked-out-of-...-android-phone/

do you have google sync on? i tot if u havent root the device and do anything "non default" google sync can pretty much save all your setting and apps.. so doing reset won't cause u to lose much.. unless u've stored some files into the device manually.. i'm not sure reset would wipe them

What is wrong pattern too many times ??? Reflash stock rom will wipe phone

That is the problem using pattern lock. Too many attempts will locked phone. I never use pattern or even the faced lock. My phone no personal data open viewable - all such data are protected with passwords on app
I would say to reflash rom to solve it

install titanium backup then restore your apps using it.

this should make you realize that its always best to keep a backup of your apps and data, etc.

btw, have you tried the nandroid backup, wipe phone then restore nandroid?

not sure why you need factory reset at the first place. anyhow, just copy your TB apk and entire TB folder to your PC. do anything you need, after done; copy back the TB folder and install back TB. as simple like that.
previously using ARHD/AOPK with franco & apex; now using bigxie/apev rom with apev v5.

after read back few post back, only know your story.    sad story for you. next time keep your phone in safe place la. and lesson learn, always backup files to PC. we dunno what shit will happen in future.
for mine, I install Titanium Media Backup. and I set the condition; as long as wifi and charger connect, automatic sync TB folder to dropbox. then my pc also have dropbox installed that will automatic download. meant i have 1 set backup in cloud and also second set at desktop.

^you should've just booted into recovery, and perform a data wipe. Your internal storage should be intact under /sdcard/TitaniumBackup. If you flash a factory image, the internal storage is wiped.

If the files were intact, then yes, they can be restored.