It wont work anymore, you should use same identity when requesting code and when registering with received code. it's possible only with wart.

I reinstated my N9 yesterday and got Whatsup working pretty easy by exactly following the procedure that is documented on openrepos.net when you search for whazzappath.
1. Install Wazapp 0.9.22
2. Install wazappath; patches Wazapp for registration problem
3. Open Wazapp and register
4. Quit Wazapp
5. Install Whatsup
6. When open Whatsup, click on button to import from Wazapp.
7. Done

No external PC or browser required; all done from the N9.

@ ELProfeMcK I just tried it your way about 5 times and I keep getting the same old wazapp back. I deleted everything I could find that said wazapp or whatsup. But wazapp says connected when I open
it after re-installing both wazapp and wazapppath and then doesn't load my contacts. ???

You got it connected at least!!!! For a fact wazapp is not working/syncing contacts anymore, thats why you need to install Whatsup and as soon.as you open it, whatsup will automatically ask you to import account from wazapp. Import it and use whatsup

I must be doing something wrong. I deleted all that I could fid about whazapp and whatsup at least 4 times already and when I re-install them I still don't get any where. The only difference now is that there are no conversations showing from before. I have followed the directions of downloading wazapp and installing it then installing wazapppath and then re-boot the N9. Launch wazapp says connecting, dont think it actually connects. I have no contacts to send a message to. Install whatsup, launch it, asks to download wazapp file, yes. No contacts and no connection in whatsup. ?????

Maybe not sure what, but either way, i deleted my account and uninstalled everything and when i get home from work, I will make a video showing you all the steps one by one, hopefully it works for me and can help you too.. Ttyl x)

Still no luck getting this to work

check this
http://talk.maemo.org/showthread.php?t=93976

[ASK] [Whatsup_Trouble]

Since about 2 weeks ago it started.
When the data Connection Disconnected.
I open Whatsup, but when I push the grey Whatsup icon on the corner and push the Connect button. The whatsup wont reconect, i always need to restart the Whatsup App to Connect Again.
Whats wrong with My Whatsup App!?
Iv try re-Install this app, but the trouble still on My Device

sorry for my bad English

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