最佳答案 由 cute_heart 07 Nov， 10:53AM
Certificate Error:
Go to "App. Mgr.", press "Options", press "Settings", make sure "软件 installation" is set to "All", and "Online certif. check" is set to "Off".
Expired Certificate:
If you encounter Expired Certificate error during installation on to your 诺基亚 phone, please set your mobile phone date back 1 year before you install your theme. Set the date back after installation.
Added on 30th Nov '08:
If setting the date back one year before installation doesnt help then check the date when the theme was uploaded and try setting the date back to that time.
If that fails check out the phone hacking topics.
Successfully applying a phone hack means you'll never get the certificate error or expired certificate error messages again. To delete the hack and bring your phone back to factory default the easiest way it to format your phone.
Note that not all phones or firmware's can be hacked
会员答案
That's not true! Your phone does support sis and also sisx files.
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v425y
02 Nov， 10:45AMYour are having the latest firmware S60 3rd editon phone
Your phone supports application having extensiion .sisx
sis files work only on the S60 2nd edition phones like N70, N72, 6600 etc.....
but you can still install themes having sis extension...
but you cant install games having sis extension
look for S60 3rd editon games and you wont get any error....
Or you can just install the java games
3d games are also available in java games
You can install any java game you like and you won't have any problem, whether it is made sony or moto etc......