The easiest way is to use SEUS (Sony Ericsson Update Service) from here...
http://www.sonyericsson.com/c[....]serviceapplication?lc=en&cc=gb ...Download the application, install the USB Flash drivers that come with it and connect your phone. SEUS will do the rest. -- Posted: 2009-03-20 15:08:47 Edit :
Quote
Hi friends .I am a new member.
pl let me know , how to down load new software & instal in sonyerricson -Z530i (gprs-internet connected)
,by using inbuilt fecility in the phone "Upgrade service"( ie with out using computer) I always get error mesge- certification failed"
KPSN