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The password must be 8 to 16 characters long and contain at least one uppercase letter, one lowercase letter, one digit, and one special character. These rules apply to registration, password reset, and changing your password in the profile. If you forgot your password, click “Forgot password?” in the login dialog, enter the email used during registration — a reset link will be sent to it. Follow the link and enter a new password. The password is changed on both the website and the ICQ server at the same time, so after resetting you can immediately sign in to Jimm or QIP with the new password. You can also change your password without resetting it — in your profile, under “Change password”. When changing, you need to provide the current password and the new one. After a change or reset, all previous sessions are closed and a new token is issued, so you will need to sign in again on other devices.
You need a client, a new UIN, and correct server settings. Use QIP 2005 for Windows, Jimm JAR for a feature phone, or J2ME Loader on Android with the same JAR file.
Jimm is for real Java phones and mobile ICQ nostalgia. QIP is useful for first testing because desktop errors are easier to see and settings are faster to change.
