hi to all guys... i am new here, i have a big problem with my ZTE Racer phone

sorry for bad english

When i buy this phone he used Anroid 2.1 but i like to be 2.3 for flash player and etc. I download some ROM from this forum (Mod version on About phone: CyanogenMod-7-06262011-NIGHTLY-Racer) i change it on this first root my phone, second i use clockworkmod and flash this rom. After that my phone work great, but i with some programs who have root access delete some files from wireles directory and some other directories and my problem is now for conections. I cant conect to any internet conection, my wireles dont work, he say obtaining ip address and cant connect, i enable mobile network and anytinkg happend.
I download manyaly from PC apk for ROM Menager but i cant flash clockworkmod recovery without conections because i like change the rom and fix problems with conections... help

thanks