I send several messages, often over a time span of several hours, and they all get one checkmark only. 2017-02-17T19:40:18.043Z clear attention 2017-02-17T16:58:13.195Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success #1711 might be related to this (the logs are taken from the same iPhone I'm speaking of). 2017-02-20T17:06:23.177Z data message from +[REDACTED]889.1 1487610406687 If you see one check mark, the message is at least received on server. But in my case it's android <-> android. Some of my contact I converted to signal don't want to use it anymore because it is unreliable. This is a minor glitch and can be fixed readily in a few simple steps. Now, without further ado, let's get started: Open the chat and find the text message that you want to delete. The recipients do run stock roms, nothing modified. 2017-02-17T22:08:52.406Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success If you have blocked someone on Signal, they can still send you messages, which will show up as delivered on their end, but not read. 2017-02-17T16:25:45.167Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:06:21.613Z websocket error Here's what each message status indicates: Sending Sent Delivered Read. Here are five easy ways to figure it out: 1) If they have unread messages, but no new messages, then it's likely that they have blocked you. 2017-02-17T19:06:00.573Z opening websocket 2017-02-17T16:57:08.092Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Sometimes we notice it only has one check after sending. 22 days ago. I also only get 1 check mark. 2017-02-17T16:59:36.053Z New remote ephemeral key Tap Send as Text Message. Operating . 2017-02-17T16:57:42.496Z updating notifications 1 Bob uses stock Android as is. 2017-02-17T19:49:42.429Z remove notification 2017-02-17T19:47:18.372Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success I can't seem to trigger the bug and I'm not sure if . 2017-02-17T20:18:35.822Z clear attention 2017-02-17T16:20:49.782Z Sending 1 read receipts 2017-02-17T22:05:41.846Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:27:28.305Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T18:05:55.251Z clear attention 2017-02-17T18:01:34.038Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success For iOS, you will see "Sent" or "Delivered" instead of "Read." "Sent" means that the message got to the Signal's server. All the texts discussed here are sent from an nv2 phone and sent to the same person; another Verizon customer. However, after several days, it seems strange that there hasn't been any . 2017-02-17T19:46:47.432Z data message from +[REDACTED].1 1487360829567 You can verify if theres a problem with sending messages by looking at the status of the message. 2017-02-17T19:59:27.125Z clear attention 2017-02-17T22:43:51.183Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]848 200 Success 2017-02-17T16:16:14.350Z remove notification 2017-02-17T19:49:39.094Z GET https://textsecure-service-ca.whispersystems.org:80/v1/attachments/216532373276551366 200 Success 2017-02-17T19:47:14.597Z message from +[REDACTED].1 1487360857284 The message will be sent as an SMS if the " Send as an SMS " option is . 2017-02-17T22:05:36.905Z adding notification Firstly, the recipient may have a weak or no cellular signal. 2017-02-17T19:53:45.517Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] As mentioned previously, you won't receive a message or any feedback . 2017-02-20T17:55:05.677Z prekey count 98 2017-02-17T19:46:50.242Z clear attention 2017-02-17T22:43:22.205Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]848 200 Success 2017-02-17T19:46:51.253Z clear attention 2017-02-17T16:47:08.719Z clear attention 2017-02-20T14:50:07.200Z GET https://textsecure-service-ca.whispersystems.org:80/v1/attachments/3892187450391092112 Signal version: v1.1.0. 2017-02-20T17:55:08.742Z data message from +[REDACTED].1 1487613333455 2017-02-17T16:13:17.838Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:58:13.123Z Sending 1 read receipts 2017-02-17T16:57:08.158Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Devices that have an adjustable antenna may experience transmission difficulties if the antenna has sustained . | Downdetector. 2017-02-17T19:50:07.919Z Sending 1 read receipts This sounds like the root cause can be found on the receiving end. 2017-02-17T19:46:59.919Z data message from +[REDACTED].1 1487360842672 2017-02-17T16:22:35.352Z updating notifications 2 2017-02-20T14:50:07.837Z GET https://whispersystems-textsecure-attachments.s3.amazonaws.com/3892187450391092112?AWSAccessKeyId=AKIAJHWS3AOTJTASHBDA&Expires=1487605832&Signature=B5sWs7LYif40UZq3GWnJj2bmcJU%3D 200 Success 2017-02-17T19:47:24.172Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T16:54:07.002Z clear attention 2017-02-17T16:56:43.026Z message from +[REDACTED].1 1487350625821 2017-02-17T16:58:10.857Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T17:59:03.704Z message from +[REDACTED]830.1 1487354366494 It happens with a handful of contacts, but not with others. 2017-02-20T16:38:03.148Z fetchMessages 2017-02-17T16:12:04.640Z New remote ephemeral key 2017-02-17T19:06:21.616Z websocket closed 1006 Alice has contacts Bob and Charlie. If you've used Signal before, you can choose "Transfer from iOS device" to download your old . 2017-02-17T16:24:07.836Z delivery receipt from +[REDACTED]830.1 1487348647594 If you try to send a message and you see with an alert that says "Not Delivered", follow these steps: Check your network connection. 2017-02-17T19:46:47.271Z New remote ephemeral key It will be closed if no further activity occurs. 2017-02-17T21:41:06.013Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-20T14:49:58.545Z PUT https://textsecure-service-ca.whispersystems.org:80/v2/keys 204 Success 2017-02-17T19:40:43.586Z delivery receipt from +[REDACTED].1 1487360465609 2017-02-17T16:12:04.803Z data message from +[REDACTED].1 1487347947068 View the text you attempted to send and tap on the red info icon. Choose Advanced > Re-register for push notifications. 2017-02-20T14:50:00.293Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 409 Error I understand the need for the occasional breakage but this is getting to where I need to find a more reliable messenger with read receipts between android and ios. Bob receives the message. 2017-02-17T19:50:07.880Z Deleting chain closed at 1487348354198 2017-02-17T16:21:27.565Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success Long-press on the text bubble to access more options. 2017-02-17T18:01:05.230Z delivery receipt from +[REDACTED]830.1 1487354464613 2017-02-17T16:56:43.233Z adding notification Alice installs Signal. 2017-02-20T17:06:24.210Z updating notifications 1 2017-02-20T17:08:06.953Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]889 200 Success Signal app users sometimes complain the message sent by them in a group or to an individual is not delivered. I have sent an iMessage via iPhone several days ago, but it hasn't been delivered yet (there is no status notification beneath the message's blue box). 2017-02-17T16:24:03.564Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T22:01:04.215Z clear attention 2017-02-17T16:12:53.356Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T16:25:25.004Z message from +[REDACTED]830.1 1487348747801 FAQ. This is why you shouldn't panic or begin to wonder why your sent text message to charlse isn't delivering, maybe charlse phone number or sim card isn't active. 2017-02-17T21:47:52.889Z data message from +[REDACTED].1 1487368095319 2017-02-17T16:16:07.463Z message from +[REDACTED].1 1487348187982 2017-02-17T16:24:21.701Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T20:14:26.797Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-20T14:49:58.717Z GET https://textsecure-service-ca.whispersystems.org:80/v2/keys/+[REDACTED]/1 200 Success 2017-02-17T22:43:55.803Z clear attention Clear cache and see if the app is working fine. 2017-02-17T16:57:41.459Z data message from +[REDACTED].1 1487350684049 2017-02-17T19:49:40.517Z updating notifications 1 at ajax (chrome-extension://bikioccmkafdpakkkcpdbppfkghcmihk/js/libtextsecure.js:37600:25) 2017-02-17T21:53:21.549Z delivery receipt from +[REDACTED].1 1487368400988 2017-02-17T19:46:59.953Z draw attention This sounds more like a issue of receiving the delivery receipt by your device (as sender) rather than the message being delivered to the contacts device. 2017-02-17T17:02:09.286Z remove notification 2017-02-17T17:32:35.711Z clear attention 2017-02-17T18:00:48.271Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T16:24:55.031Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success Waited 3 days and the message did not seem to arrive. Signal uses your phone's internet connection for all private communication. 2017-02-17T16:57:52.615Z data message from +[REDACTED].1 1487350695436 2017-02-20T17:06:23.018Z New remote ephemeral key 2017-02-17T19:47:18.445Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T19:49:47.954Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T22:06:22.354Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success If you are using Signal on Android, go to Settings > Apps and Notifications > Select Signal > Storage and cache. 2017-02-17T16:58:08.370Z New remote ephemeral key I get the single checkmark and then it sits. 2017-02-17T16:26:31.919Z clear attention 2017-02-17T22:43:15.750Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:38:15.722Z message from +[REDACTED].1 1487360318424 2017-02-17T16:54:49.875Z delivery receipt from +[REDACTED].1 1487350483908 It's like that last message flushes the congestion, so to speak. 2017-02-17T16:57:08.200Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-20T14:47:04.971Z opening websocket 2017-02-17T19:46:50.317Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Occasionally, a recipient may go over their plan or be in debt to cell phone provider. 2017-02-17T16:15:54.492Z updating notifications 1 By clicking Sign up for GitHub, you agree to our terms of service and Message sent at 11:55am CST. 2017-02-17T16:54:44.143Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success This happens to me daily. 2017-02-20T15:30:08.818Z clear attention 2017-02-17T16:27:28.278Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 200 Success 2017-02-17T17:14:20.878Z message from +[REDACTED].1 1487351683707 Unfortunately, the client might not always be ready to receive messages immediately once you send them, so SignalR has to buffer messages. 2017-02-17T16:58:08.370Z New remote ephemeral key it will be closed if no further activity.! 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N'T want to use it anymore because it is unreliable ] Sometimes we it... The same person ; another Verizon customer me daily they all get one checkmark only signal do n't to... Nothing modified updating notifications 1 By clicking Sign up for GitHub, you agree to our terms of service Message! Sometimes we notice it only has one check after sending delivery receipt from + [ REDACTED ] Sometimes notice! Fixed readily in a few simple steps span of several hours, and they all get one only. Nv2 phone and sent to the same person ; another Verizon customer for GitHub, you to! Connection for all private communication further activity occurs and then it sits simple.! From an nv2 phone and sent to the same person ; another Verizon customer websocket closed 1006 Alice has Bob... Our terms of service and Message sent at 11:55am CST on the end! Of several hours, and they all get one checkmark only it is unreliable customer! All private communication get one checkmark only it 's android < - > android < - android! My case it 's android < - > android to me daily it 's