Assalam o alaikum! Cer and key.>www.s60certkey.com < just register there. Its free. After write there imei.in ur phone Dial. star#06#. for check imei.done that and wait 3 hours too late 24hrs.after that get ur cer,key. For easy without restriction.download freesigner frm here.then open freesigner. Goto setting. Open sign cer. And browse where u downloadd ur cer in ur phone,memorycard. And now key .same that open sign key .and browser where u downloadd ur key.now u r ready 4 use.add any file and do sign sis. Dontworry its like sisx .its work.after that u get ur signed file with original file.which ur are add for signed. Thats complete okay .if u dont want to need to sign every file. download hellox2 frm here.after thatc need to sign it. from free signer. if u dont do that its shows security warning and can,t install. After signing . install it .and open it.and hack ur phone.and u again . If if if .its just loading.