To install Premium TomTom Voices for iPhone, follow these steps:
1. Jailbreak and install OpenSSH on iPhone.
2. Download
Easyusetools
3. Using WinSCP or iPhoneBrowser, copy TomTom executable app file to ttsystem_Patcher folder in Easyusetools
For example, the US-Canada file is located here:
/var/mobile/Applications/5608DDAB-557D-4A52-8D9B-FE0FF6E68461/US-Canada.app/US-Canada
3. Patch US-Canada by running:
"patchydg.exe US-Canada"
The result should be: "ok. v8Patch Applied"
4. Replace this file back where it was and change its permissions to 755 by pressing F9 in WinSCP.
5. Download
Premium_TomTom_Voices_for_iPhone.zip and copy voices folder to iPhone. The voices are already patched.
6. Run TomTom twice after first crash.
Enjoy!