WANT INSTALL APPLICATIONS THIS THE SIMPLE WAYS
1.Go to http://cer.opda.cn/en/ register 1st, then fill the blank. model,imei(dial*#06# for you imei)and etc...
2.After you finish register..go to My Certificate,then download certificate & key see (signing|.cer|.key|delete) or you can upload n install, see at bottom >>>Sign Tool download it. (http://cer.opda.cn/uploads/tools/FreeSigner.sisx)
3.Install it to you phone. Open application, select options go to setting select your certificate & key that you download before at Self Cert & Self Key(dont change original certificate Self Sign Cert & Self Sign Key!!).may look like this your certificate (eg:opda.cn_5800xm_mr.diablo_352345645674324cer)select back.
4.Add task (sis or sisx) file's and select options > Go.
5.Wait progress.Please remind where you put your file's c:/Data/freeSign.
6.Go c:/Data/FreeSign..install,Enjoy & more SAFE..
7.Repeat item 4 and 6.If you want install more appcalication..
8.HACK YOUR PHONE MAY HARM THE PHONE SYSTEM APPLICATIONS.