I am flash my nokia 2700 classic.then opera said ''not valid certificate'' OR ''valid certificate not on phone or sim''.

http://torrentz.eu/z/download/Free+authority+certificates+for+nokia+2700classic+/

What's the problem ? You cannot download it because of certificate error ?If yes update/flash your phone and do it.Good luck

AUTHORITY CERTIFICATES

you can try uninstalling and resinstalling the software Download software in this site: http://www.opera.com/mobile/download/nokia/2700_classic/
or
You could try the following steps :

1. Install 'Nokia PC Suite 7' in your PC and configure it for your nokia 2700 classic phone.
2. Visit the site http://www.opera.com/mobile/download/nokia/2700_classic/
3. Download and Save the jar and jad files on your desktop.
4. Connect your phone with your PC by a USB cable.
5. Open PC suite.
6. Click on the icon 'install application'.
7. A window named ' Nokia Appliaction Installer' will be opened.
8. On the right i.e. My Phone side , select nokia 2700 classic ( C; Phone memory). On the left i.e My computer side , select desktop then select 'opera mini 5.0' and then
9. Press ?
10. Save (if required).
11. Open your phone menu>Apps>Memory Card>opera mini>option>move.
12. Move to 'Games'.
13. Now under Games , you will find opera mini , which you can open and use for browsing the internet. The version is 'Opera Mini 5 Beta'.

you can also check this sites: http://nigerius.blogspot.com/2011/08/nokia-2700-how-to-install-opera-mini-5.html http://forums.techarena.in/portable-devices/1406345.htm

You need to flash it for what purpose,? You need to flash it to reset to original settings or security lock hang purpose? You can flash using software for that purpose,If you need to unlock it from Network lock using Flash method? You can use the Unlock code,that is best than software flash,.Get the Unlock code from here Theunlockspot and unlock it from Network Lock.Then you can use any GSM Network Sim card in the Phone....It's best for Unlock.....you can use the Flash software for De-brand the Phone also Removing Logo,Settings etc from previous provider...after unlock it de-brand will be Done.
To Unlock it step by step follow the instructions Below:
Nokia 2700 Classic Unlocking Instructions Warning : Do not enter any wrong unlock codes on your Nokia 2700 Classic mobile phones. If you enter over a certain amount of wrong unlock codes on your Nokia 2700 Classic mobile phone, your phone may get hard locked and sometimes become unusable.
1 - Switch on your Nokia 2700 Classic without any sim card.
2 - Don't bother as to what is displayed on your Nokia 2700 Classic.
3 - Compose #pw+CODE+1#.
4 - The Nokia 2700 Classic would then display the message "SIM Restriction Off" and will be unlocked!

Note :For Nokia 2700 Classic mobile phones locked to the network Fido or Rogers in Canada follow these instructions :
1 - Switch on your Nokia 2700 Classic without any sim card.
2 - Don't bother as to what is displayed on your Nokia 2700 Classic.
3 - Compose #pw+CODE+7#.
4 - The Nokia 2700 Classic would then display the message "SIM Restriction Off" and will be unlocked!

The letter p appears if you press the button star(*) three times quickly
The letter w appears if you press the button star(*) four times quickly
The symbol + appears if you press the button star(*) two times quickly
The CODE you need to enter is the unique unlock code for your Nokia 2700 Classic

Flashing is the only solution to recover the certificate.So, Click here1 if you want to do it by yourself or contact mobile repairing shop.And for your 2700 flash file Click here2.Good luck.

I need to download nokia 2700 authority certificate but i don't how to go about it. I need it fast. I am in Ghana. 233245154422 is my contact

your opera is expired now download opera 11.0 beta on your cell phn.

download opera mini 4 in your computer. install it in your phone & use it .

The opera mini that you download is not compatible with the phone you have,  try to download opera mini that is going to work with your nokia 2700, go to this site http://www.opera.com/mobile/download/nokia/2700/. this may work on your phone.