Nokia :: E52 RM 469 Firmware 033.003 - Contacts Labels Are Not Getting Changed

I just upgraded my E52 firmware to "Care DP 5.0 SEAP 033.003" and found that -:

1. Contacts Labels are not getting changed specially "Mobile" and "Telephone" which are mostly used.I have around 2500 Contacts, in previous version 033.002 i Faced errors like "Contacts : Memory full : close some applications and try again". It also says something even more weird "Pbk2ServerApp : Memory Full. Close some application and try again".

I am able change the labels of few heads like First, Last name, Company etc but not of "Mobile" and "Telephone"I also tried to downgrade the firmware using "Phoenix" and tried flashing 021.013 , 022.009 , 031.012 and 033.002 but phone remains dead will all.The most amazing thing is that the phone is also not accepting 033.002 from which I upgraded. I also tried enabling SW Downgrade option in Phoenix but no success.Now I am stuck up with 033.003 with no labels editing