If you use an Symbian S60 3rd
edition based mobile phone (Nokia N-Series phones like N73, N95, N80, N91, N80
and E-Series phones use Symbian S60v3 as OS) you must have encountered the very
common certificate errors like 'Certificate Expired' or 'Certificate Error.
Contact Application Supplier' while installing themes or softwares on your
phone.
The errors
are caused because of the security measures introduced into the new
version of Symbian Series 60 mobile operating system disallowing
installation of old applications and invalid certificates, however
bypassing this security feature and fixing these certificate errors to
install themes and softwares is very easy, simply follow the
instructions below:
- Open you mobile main Menu.
- Navigate to Settings -> General -> Date and time and Now change the year back one year.
- Now install the application.(Don't forget to change date back to original)
- If the above does not solve the problem Goto the Application Manager.
- Click the Options and select the Settings
- And set "Online Certificate check" = Off and Software Installation = All.
UPDATE: If you own an older
phone you might receive the following error: "Installation security
error. Unable to install"
To solve this error and install
application/Theme navigate to Tools -> Options -> Setting ->
Software Installation and change setting to On.
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