The most recent audits are listed below. Our servers do need to know who is sending a message to whom, so that they can route it to the correct recipient, but they do not log this information, and cannot decrypt the message's content. Create an ID export on your previous device: Tap on “My ID”, then select “ID export”, and activate the option The sole protection of content is insufficient because metadata name in the title bar, open the menu and select “Leave group”. Open the group details by tapping the group’s profile picture to learn who is the group’s administrator. If Threema was downloaded from the Threema Shop, you will receive a notification in the app once an update is available. new name will be used. It consists of 80 digits and letters in groups of four characters (separated with dashes). notification settings in iOS, device-specific app. his or her first Messages and files are stored on the servers until they are successfully delivered or until frequent locations, and monitor their communication behavior. To manually delete your Threema Safe backup, simply disable Threema Safe in My Backups > Threema Safe. If a group is asynchronous, we recommend resynchronizing it If the real contact name cannot be shown, the “public nickname” is displayed instead. Threema allows to verify that the ID of the person you are communicating with is really theirs. iOS: Navigate to the “My Profile” tab, and tap on the QR code. In the setup wizard, tap on “Restore from Backup”, tap are disabled by default and must be enabled manually. If you should It must be a valid non-empty string. Keep Threema up to date by enabling automatic updates (in iOS > Settings > iTunes & App Store > Automatic Downloads > Updates), or update Threema manually in the App Store app (in the Updates tab). If you mistakenly scan a public Threema ID, you will see a long string after scanning that starts with “3mid:”. Android: Delete the app data in Settings > Apps > Threema > Clear data. This will reset the status, and you will be able to try again. persist, please remove the group member due to which the group became asynchronous (see above), and add them Start Threema on your new phone. For detailed technical information about the cryptography in Threema, read the Cryptography It will not be found during synchronization anymore as the links have been removed. note: If you have already entered the code manually, there’s no need to tap the link since your phone number has connection immediately after a push notification has been received, it is possible that the real contact name cannot Android: Tap the title bar in the group chat, then tap the three vertical dots, and select “Clone group”. If you don't have access to a physical machine with one of these operating systems installed, we recommend that you install Ubuntu Desktop as a virtual machine. Only the group administrator can initiate a synchronization (in the group's detail view). To leave a group, open it, tap on the group’s (On Android, you can also swipe right to quote a message.) This could make them believe that the sending of messages isn't working properly. Threema for Android is available for download in the following stores: Google Play | Threema Shop. already been verified. Please make sure you are using the latest version of a compatible browser. To transfer your ID, you need a Threema Safe backup. In such a case it might be necessary to reinstall the app. ), Opens the chat with the specified ID and enters the provided text into the text field. Please use Threema Safe and/or create data backups. This will keep these files accessible to you even if you delete the app. Android: Tap the three dots in the top right corner, select “Backups”, and tap “Backup now”. You string is shown in two ways when exporting an ID: as plain text for copying/pasting and as a QR code. Your own address book contains neither your contact's phone number nor email address. To access your archived chats, scroll to the end of the chat overview, and tap the “X archived chats” button. Some other apps don’t recognize the encryption and return an error message stating that the provided password is incorrect (even though you have entered the password correctly). For more information about the cryptography in Threema, read the Cryptography Whitepaper. reasonable workaround and recommend all users to update to a newer operating system version if possible. If you were a member of group chats, please ask the respective administrators to remove your old ID and add the new one. Threema - Android App 4.5 Deutsch: Mit Threema chatten Sie dank Verschlüsselung abhörsicher mit Ihren Freunden. Please create a data backup if your new mobile device runs on the same OS as your old one and you would like to keep your chats. The chat will be removed from the chat overview, but not deleted. We also are not able to communicate if there will be any additional countries added to this list in the future. Since there is no information concerning group compositions stored on Furthermore, channelling push notifications saves battery power. our servers but directly on users’ devices. If automatic updates are disabled, you can manually install updates in the Google Play Store app (by tapping the menu icon, navigating to My Apps > Threema and then tapping “Update”). In these rare cases, a generic notification (“Message” or “Group Message”) will be displayed. TSA says expired licenses are ok at airport security. Also, the deleted ID can still that’s linked to your Threema ID, simply navigate to “My Profile”, tap on the number or email We're currently searching for a *** Unfortunately, there are official Belgian and Portuguese identity … Wie kann ich jetzt jemanden einladen, ohne die Telefonnummer oder E-Mail Adresse zu senden? The servers only keep these hashes in volatile memory for a short time to determine the list of matching IDs, and then delete the hashes immediately. Threema can be used without providing any personal If you know that someone is using Threema, but they are missing or are marked with a red dot, it is because of one of the following reasons: If a contact has linked a phone number or email address to their ID that is contained in your address book, the contact shows up in Threema’s contact list (provided that synchronization is enabled) and is labeled with two orange dots. iOS: Videos in high quality can be up to three minutes long; in low quality, videos can be up to 15 minutes long. For that reason, data like e.g. Push notifications should now be working. They can only be decrypted with your personal private key. This guarantees that no third party — not even the server operators — can decrypt the content of the there has been no manipulation by third parties. trash bin in the top right corner. Files are saved in the device’s global “Download” directory and can be accessed using the Downloads app. be shown. Please enable notification signals as follows: When a new notification channel is added (i.e., when you start using a new combination of notification settings), file and, optionally, all media files). kam gleich beim ersten Mail anklicken. Please ensure that you are using an ID export for restoration. The state-of-the-art data centers include biometric access control, full-height turnstiles, video surveillance, emergency power systems, fire protection, fail-safe air-conditioning, and a fully redundant Internet connection. In contrast to group chats, messages are sent to the recipients separately when using distribution lists. In Threema, navigate to “Settings > Media & Storage,” and activate “Auto-save to gallery.” Automatically saved media files are located in the same directories as manually saved media files, see above. 5. The random data necessary for key pair generation is obtained from the phone's random number generator and is mixed with further random data that you generate yourself by moving your finger on the screen. saves both, the Threema-ID and all your chats and images. Threema is currently available in the following languages: If Threema doesn’t support the device’s system language, the user’s preferred languages (as defined in the system settings) will It is, of course, still important to choose a secure password. Threema Web is currently available in English and German. Threema Safe is platform independent. Federal Government Personal Identity Verification Card (PIV) Acceptable Forms of Invalid or Expired ID. Create a backup of your identity in the app and email it to yourself as well. Combined with data from other platforms, the picture Mute the Threema Channel if you prefer not to receive push notifications. If Threema is listed, delete the data of your Google Play Store and Download Apps on your phone according to. That way, man-in-the-middle Threema, on the other hand, generates as little data as technically possible and only To open it, tap the camera icon in the text field. To learn how to download, build, and reproduce the Threema app’s code, please refer to the Open Source subsite. For this reason, the app has to be purchased again for the new operating system when switching from one platform to another. these instructions. Go to iPhone Settings > Notifications > Threema. However, we don't recommend this. message, your profile picture will be removed automatically on the recipient’s end. In order to prevent the operating system from terminating the Threema process This is part of the way Threema encrypts your data. As a Swiss company, Threema is also subject to Switzerland’s strict Federal Act on Data Protection (DSG) and the accompanying Ordinance to the Federal Act on Data Protection (VDSG). Download Threema from the Apple App Store. Note that at this time, only text messages are logged to the validation log. Implementation of the PBKDF2 Password-Based Key Derivation Function with SHA256 that is used to derive the backup encryption key from the user-defined password. For detailed technical information in regard to Threema calls’ security, please refer to the Cryptography Whitepaper. A colored stripe (or the absence thereof) below the title bar indicates the connection status: If these symptoms occur, either push notifications aren't working properly or there is a problem concerning background activity. The dots are an indicator for a contact's verification level. Android: Open the contact details by tapping the contact's profile picture. Please note: Threema can only be as secure as the device that it is running on. information whatsoever. iOS: In the group chat, tap on the title bar, and then tap on the bar that appears underneath it (containing Learn more… immediately remove your profile picture from someone’s contact list by tapping “Send profile picture now” in the It’s recommended to create a Threema Safe backup. At no point are the hashes or the results of the synchronization written to disk. on your master key. Please decline that option every time. number or email address. How do I fix this? Due to restrictions by Xiaomi, there is no way for Threema to automatically adjust the notification-channel Threema transmits messages via the Internet. In Threema, text can be formatted bold, italic, and crossed out. If you decide to enable the synchronization, email addresses and phone numbers from your address book will only be transmitted to the server in one-way encrypted (“hashed”) form and are additionally protected using TLS encryption. Therefore, the Threema Safe server cannot determine which backup belongs to which ID. This backup contains media files, contacts, chats, groups and your ID. On web.threema.ch, enter a session password before scanning the displayed QR code. To work properly, activate the synchronization feature in Threema > Settings > Privacy. Just like all other messages, files To delete In some cases (e.g., when the memory usage is high or the battery level low), incoming push notifications can’t be decrypted in the background. The supplied C programs have been verified to compile under Linux and FreeBSD. When starting Threema for the first time, tap on “Restore from Backup”, select “Keep local data”, and tap “ID To save chats, please create a data backup or use the export feature. Voice calls: Threema 4.22 for Android or above on Android 4.1 or above, Video calls: Threema 4.4 for Android or above on Android 4.4 or above. If, however, you have chosen to save device backups on iCloud, all app data, including Threema chats, will be stored on iCloud. Exchange messages with any number of Threema contacts. If you well as the communication between the app and the servers. attacks can be effectively prevented: If you receive a message of a confirmed contact (i.e., verification level 3), you can be sure that it wasn't spoofed or read by a third a group’s administrator leaves the group, a new group must be created. I am trying to add my phone number on the Contactable At section on my apple id and after I get a verification code, it automatically registers but it always says "Invalid verification code." the message. All you have to do to use Threema Web is connect your mobile device with your Pickup: A connection has been established; you can talk to the callee. In Settings > Appearance, there’s a setting to hide inactive IDs. To share your Threema ID with someone, simply send them your Threema ID’s Share Link: The selected contacts will receive a link of the form https://threema.id/YOURID, where YOURID is your actual Threema ID. The ID-export string is prepopulated. iOS: email it to your own address from within the app, Android: copy the file Threema/message_log.txt from your phone. Ringing: The phone is ringing at the recipient’s end. Threema Safe encrypts the backup data using the password you specify. Link your new ID with the same email address and phone number as your old ID. Learn how to move your ID to For some selected apps, Xiaomi has enabled all notification signals by default. If you have purchased Threema via Google Play, you need to use Google Play to update or reinstall it. For a comprehensive documentation of the algorithms and protocols used in Threema, please transfer your ID, contacts, groups, and privacy settings using Threema Safe. “Delete”. The ID-Backup (1) saves only your Threema ID. Please note: Unless you have a backup, you will lose your Threema ID and all saved messages. Check that the ID token's crypto algorithm matches the one which the clienthas registered with the OpenID provider; 2. ), In the Share Sheet that appears, tap “Gift App…”, and follow the on-screen instructions, Make sure that the Threema ID displayed for the contact you want to reach is still actively used by the recipient. In and of itself, Threema does not provide an option to save chats on iCloud. To prevent that your Threema ID, your contacts, and your groups (as well as other data and some settings) are lost if you ever happen to lose access to your device, Threema Safe regularly creates an anonymous and encrypted backup of this data on the Threema server or on another server of your choice. Read here how you can get rid of duplicate contacts in your own address book. Key pairs are generated in a decentralized way on your device. In such cases, the Threema app doesn’t have permission to be active in the background and/or to transmit data in the background.