# Latest **URL:** https://community.particle.io/latest.md [Latest](https://community.particle.io/latest.md) · [Categories](https://community.particle.io/categories.md) · [Tags](https://community.particle.io/tags.md) --- ## [Welcome! Using Particle Forums and Forum Etiquette](https://community.particle.io/t/welcome-using-particle-forums-and-forum-etiquette/14)
**Author:** [@christine](https://community.particle.io/u/christine)\ **Replies:** 19\ **Last updated:** [February 14, 2022, 8:34pm UTC](https://community.particle.io/t/welcome-using-particle-forums-and-forum-etiquette/14 "2022-02-14T20:34:53Z")
Welcome to the Particle Forums! We’re excited to have some helpful, interesting and engaging conversations here on the boards. As you get started, please take a minute to look over some guidelines for getting the most ou… --- ## [Tachyon - ESIM - UK - please help](https://community.particle.io/t/tachyon-esim-uk-please-help/72194)
**Author:** [@agapoar](https://community.particle.io/u/agapoar)\ **Replies:** 11\ **Last updated:** [September 24, 2026, 9:54am UTC](https://community.particle.io/t/tachyon-esim-uk-please-help/72194 "2026-09-24T09:54:53Z")
I am installing a SMARTY UK eSIM on a Tachyon running particle-tachyon-ril 0.4.5-1. SMARTY requires a separate four-digit confirmation code. The SM-DP+ connection and AuthenticateClient steps succeed, but download ends w… --- ## [3rdParty eSim - almost works on Ubuntu24 tachyon](https://community.particle.io/t/3rdparty-esim-almost-works-on-ubuntu24-tachyon/72659)
**Author:** [@steel-glint](https://community.particle.io/u/steel-glint)\ **Replies:** 0\ **Last updated:** [September 24, 2026, 9:40am UTC](https://community.particle.io/t/3rdparty-esim-almost-works-on-ubuntu24-tachyon/72659 "2026-09-24T09:40:43Z")
\*\*\* Ubuntu version 24.04 on Tachyon \*\*\* I've spent the last couple of days checking out the Tachyon that has been sitting on a shelf since last time I tested it a year ago. I thought I'd write up the experience in cas… --- ## [Ideal signal strength/quality and round-trip time for cellular connection in eastern Africa](https://community.particle.io/t/ideal-signal-strength-quality-and-round-trip-time-for-cellular-connection-in-eastern-africa/72298)
**Author:** [@tmason](https://community.particle.io/u/tmason)\ **Replies:** 2\ **Last updated:** [September 23, 2026, 2:12pm UTC](https://community.particle.io/t/ideal-signal-strength-quality-and-round-trip-time-for-cellular-connection-in-eastern-africa/72298 "2026-09-23T14:12:44Z")
Some of our clean water well remote monitors deployed to eastern Africa appear to be experiencing high latency while others are not. Our remote monitors enqueue messages for hourly transmission and deliver messages to o… --- ## [Boron 404X with third party sim card in Uruguay](https://community.particle.io/t/boron-404x-with-third-party-sim-card-in-uruguay/71285)
**Author:** [@mcapurro](https://community.particle.io/u/mcapurro)\ **Replies:** 4\ **Last updated:** [September 23, 2026, 9:38am UTC](https://community.particle.io/t/boron-404x-with-third-party-sim-card-in-uruguay/71285 "2026-09-23T09:38:57Z")
Not sure if it is here I should ask. I would like to know if a Boron 404x (north Am) will work in Uruguay (South America) using a third party sim card. --- ## [Webhook callback routine not receiving calls](https://community.particle.io/t/webhook-callback-routine-not-receiving-calls/72620)
**Author:** [@davidcane1](https://community.particle.io/u/davidcane1)\ **Replies:** 10\ **Last updated:** [September 21, 2026, 1:08pm UTC](https://community.particle.io/t/webhook-callback-routine-not-receiving-calls/72620 "2026-09-21T13:08:53Z")
Photon is not receiving callbacks. The GET to the target site succeeds, and returns desired data. But the routine that has subscribed is not getting called. This is code that previously worked, but has stopped sometime … --- ## [Boron devices won't connect after changing location (longer distance)](https://community.particle.io/t/boron-devices-wont-connect-after-changing-location-longer-distance/72626)
**Author:** [@connectedquark](https://community.particle.io/u/connectedquark)\ **Replies:** 3\ **Last updated:** [September 21, 2026, 8:36am UTC](https://community.particle.io/t/boron-devices-wont-connect-after-changing-location-longer-distance/72626 "2026-09-21T08:36:58Z")
I'm trying to figure out possible causes, and remote fixes, for a couple of my Boron units. Unit A was previously placed at a remote location (about 100 miles from my work location) for monitoring and data gathering. It'… --- ## [DS18B20 library generating compiler errors](https://community.particle.io/t/ds18b20-library-generating-compiler-errors/72623)
**Author:** [@Jim5577](https://community.particle.io/u/Jim5577)\ **Replies:** 1\ **Last updated:** [September 19, 2026, 10:16am UTC](https://community.particle.io/t/ds18b20-library-generating-compiler-errors/72623 "2026-09-19T10:16:26Z")
The library DS18B20 (community library) seems to be causing compiler errors. I made a small change to a program I have running on a Boron that I haven't re-compiled for a while (6 months to a year) and when I went to c… --- ## [Battery percentage tracking \_wildly\_ wrong](https://community.particle.io/t/battery-percentage-tracking-wildly-wrong/70194)
**Author:** [@SixSixSevenSeven](https://community.particle.io/u/SixSixSevenSeven)\ **Replies:** 17\ **Last updated:** [September 18, 2026, 6:54am UTC](https://community.particle.io/t/battery-percentage-tracking-wildly-wrong/70194 "2026-09-18T06:54:23Z")
I have the ~9Ah 3P battery pack fitted to my tachyon and have noticed that the percentage reported by /sys/class/power\_supply/battery/capacity has so far never been anything remotely sane. Its a lipo, 4.2V fully charged… --- ## [Quectel, 1260H List and Supply Chains](https://community.particle.io/t/quectel-1260h-list-and-supply-chains/72612)
**Author:** [@laughlin](https://community.particle.io/u/laughlin)\ **Replies:** 1\ **Last updated:** [September 17, 2026, 8:51pm UTC](https://community.particle.io/t/quectel-1260h-list-and-supply-chains/72612 "2026-09-17T20:51:59Z")
Given the DoW added Quectel to the 1260H List, does Digi/Particle have plans to create pin-compatible B series modules but with modems from Nordic, Sierra, or other non-1260H-listed entity? I'm not directly effected by … --- ## [Disappointed and angry](https://community.particle.io/t/disappointed-and-angry/71967)
**Author:** [@TheTrickeyOne](https://community.particle.io/u/TheTrickeyOne)\ **Replies:** 19\ **Last updated:** [September 17, 2026, 1:10am UTC](https://community.particle.io/t/disappointed-and-angry/71967 "2026-09-17T01:10:29Z")
I have supported every Particle kickstarter from the very first one and I was capital "E" excited about this one. A first class chip with GPU/NPU. I'm not sure what happened, but Particle has waited so long to actually s… --- ## [Please release Photon 2 from a Product — can't claim to personal account](https://community.particle.io/t/please-release-photon-2-from-a-product-cant-claim-to-personal-account/72565)
**Author:** [@SawyerH](https://community.particle.io/u/SawyerH)\ **Replies:** 2\ **Last updated:** [September 11, 2026, 11:20pm UTC](https://community.particle.io/t/please-release-photon-2-from-a-product-cant-claim-to-personal-account/72565 "2026-09-11T23:20:42Z")
Hi, I'm trying to claim a Photon 2 to my personal account, but I get: "You need to be a team member of the product to claim this device." It seems the device is tied to a Product from a previous owner. I don't have any c… --- ## [Particle Boron died during battery test](https://community.particle.io/t/particle-boron-died-during-battery-test/72494)
**Author:** [@DonM](https://community.particle.io/u/DonM)\ **Replies:** 7\ **Last updated:** [September 9, 2026, 2:11pm UTC](https://community.particle.io/t/particle-boron-died-during-battery-test/72494 "2026-09-09T14:11:56Z")
I left my boron connected to usb battery power supply for a few days to see how long the battery would last. The boron was working fine for several days. Then today I checked it and there are no lights. Attempted holdin… --- ## [\[5g e-sim\] third part connection very unrealiable](https://community.particle.io/t/5g-e-sim-third-part-connection-very-unrealiable/72502)
**Author:** [@emmanuel-j](https://community.particle.io/u/emmanuel-j)\ **Replies:** 1\ **Last updated:** [September 8, 2026, 11:54am UTC](https://community.particle.io/t/5g-e-sim-third-part-connection-very-unrealiable/72502 "2026-09-08T11:54:06Z")
Hello team, Our company is checking out your Tachyon devkit. I'm having trouble getting 5g working with t-mobile esim. Very rarely the connect cmd succeeds, but the connection drops within few minutes again. However, th… --- ## [Can't register eSIM for our private 5G CBRS network](https://community.particle.io/t/cant-register-esim-for-our-private-5g-cbrs-network/71953)
**Author:** [@teiszler](https://community.particle.io/u/teiszler)\ **Replies:** 5\ **Last updated:** [September 4, 2026, 12:37pm UTC](https://community.particle.io/t/cant-register-esim-for-our-private-5g-cbrs-network/71953 "2026-09-04T12:37:23Z")
Tachyon OS: 1.0.161 particle-tachyon-ril: 0.4.5-1 Hello, We are attempting to use an eSim for our own private 5G CBRS network on the Tachyon. The core is Magma and we are using Simlessly (SM-DP+ | World's #1 RSP-as-a-… --- ## [Another account already owns this device. Ask the owner to release the device before continuing](https://community.particle.io/t/another-account-already-owns-this-device-ask-the-owner-to-release-the-device-before-continuing/67249)
**Author:** [@jgouy](https://community.particle.io/u/jgouy)\ **Replies:** 103\ **Last updated:** [September 1, 2026, 2:17pm UTC](https://community.particle.io/t/another-account-already-owns-this-device-ask-the-owner-to-release-the-device-before-continuing/67249 "2026-09-01T14:17:05Z")
Hi Team, I bought some Particle boards some time ago and am back now to start working with them. The problem is that I didn't remember but it seems that I've already registered to another account to which I don't have e-… --- ## [CRS from the Kickstarter promises](https://community.particle.io/t/crs-from-the-kickstarter-promises/70366)
**Author:** [@Nachtwind](https://community.particle.io/u/Nachtwind)\ **Replies:** 10\ **Last updated:** [August 29, 2026, 6:10pm UTC](https://community.particle.io/t/crs-from-the-kickstarter-promises/70366 "2026-08-29T18:10:52Z")
So.. i tried to compile list of features that were to be expected from the Tachyon back in January 2025. As we all know there have been multiple dates been pushed back but in the end the features havent been cut as far … --- ## [Bluetooth Pairing not completing](https://community.particle.io/t/bluetooth-pairing-not-completing/72346)
**Author:** [@tnilsen](https://community.particle.io/u/tnilsen)\ **Replies:** 11\ **Last updated:** [August 29, 2026, 3:21pm UTC](https://community.particle.io/t/bluetooth-pairing-not-completing/72346 "2026-08-29T15:21:05Z")
I am using an Argon with OS 6.4.1 to connect via Bluetooth to a 3rd party device (Shelly relay). It all works great as long as the Shelly device runs pre-2.0 firmware. Shelly added the requirement for Bluetooth pairing … --- ## [Tachyon update post](https://community.particle.io/t/tachyon-update-post/72015)
**Author:** [@no1089](https://community.particle.io/u/no1089)\ **Replies:** 6\ **Last updated:** [August 29, 2026, 1:08am UTC](https://community.particle.io/t/tachyon-update-post/72015 "2026-08-29T01:08:10Z")
Hi folks! I wanted to get this out before the long weekend. This will be where future updates and feature announcement will be made. During the last couple of weeks engineering has been working on a couple of exciting … --- ## [An apology to the team](https://community.particle.io/t/an-apology-to-the-team/70520)
**Author:** [@Nachtwind](https://community.particle.io/u/Nachtwind)\ **Replies:** 3\ **Last updated:** [August 28, 2026, 8:48am UTC](https://community.particle.io/t/an-apology-to-the-team/70520 "2026-08-28T08:48:20Z")
As some here have noticed, ever since the delivery of the Tachyon I have been spreading rather negative vibes in this forum—up to the point where I openly questioned whether the Tachyon should already be considered a “sc… --- ## [B404 No messages but good signal](https://community.particle.io/t/b404-no-messages-but-good-signal/72484)
**Author:** [@reyesel](https://community.particle.io/u/reyesel)\ **Replies:** 2\ **Last updated:** [August 26, 2026, 7:49pm UTC](https://community.particle.io/t/b404-no-messages-but-good-signal/72484 "2026-08-26T19:49:59Z")
Anyone experience B404s that show what should be decent signal but can't reach them or get data from them. Also seeing a lot of cloud disconnects. One specific have 43% strength and 75% quality but still drops out freque… --- ## [Photon 1 availability tips anyone?](https://community.particle.io/t/photon-1-availability-tips-anyone/71426)
**Author:** [@timo2](https://community.particle.io/u/timo2)\ **Replies:** 5\ **Last updated:** [August 26, 2026, 8:51am UTC](https://community.particle.io/t/photon-1-availability-tips-anyone/71426 "2026-08-26T08:51:23Z")
Hello all, We are trying to gracefully run our EOL fleet at least bit longer than the GSM/3G networks are available for our fleet. Offline does not work with our use case. And Photon 1 is pin compatible replacement for … --- ## [Well... where are we?](https://community.particle.io/t/well-where-are-we/72468)
**Author:** [@Nachtwind](https://community.particle.io/u/Nachtwind)\ **Replies:** 2\ **Last updated:** [August 26, 2026, 3:29am UTC](https://community.particle.io/t/well-where-are-we/72468 "2026-08-26T03:29:48Z")
Well.. my dayjob brought me to a point that should be familiar to the Particle staff: I abandoned Tachyon for a year. Now coming back and having high hopes that i can natively use the NPU on an updated Version of some O… --- ## [Tachyon offline according to console: Cellular connects/registers to O2 UK but all IP traffic times out (plus Wi-Fi Socket.IO resets)](https://community.particle.io/t/tachyon-offline-according-to-console-cellular-connects-registers-to-o2-uk-but-all-ip-traffic-times-out-plus-wi-fi-socket-io-resets/72464)
**Author:** [@robhalls](https://community.particle.io/u/robhalls)\ **Replies:** 1\ **Last updated:** [August 24, 2026, 9:07pm UTC](https://community.particle.io/t/tachyon-offline-according-to-console-cellular-connects-registers-to-o2-uk-but-all-ip-traffic-times-out-plus-wi-fi-socket-io-resets/72464 "2026-08-24T21:07:45Z")
Hi everyone, I'm troubleshooting an issue where my Tachyon has dropped offline from the Particle Sandbox Console and is unable to re-establish a cloud connection over either cellular or Wi-Fi. Here is the breakdown of … --- ## [Tachyon as Router](https://community.particle.io/t/tachyon-as-router/72472)
**Author:** [@Thinner4203](https://community.particle.io/u/Thinner4203)\ **Replies:** 0\ **Last updated:** [August 24, 2026, 10:27am UTC](https://community.particle.io/t/tachyon-as-router/72472 "2026-08-24T10:27:20Z")
Hi, I have been navigating the forum and it seems a mixed bags of opinions about the current state of hardware. I want to use my Tachyon as a router by sharing the SIM connection via WiFi. Is this a viable option? Is th… --- ## [Is this project dead?](https://community.particle.io/t/is-this-project-dead/71385)
**Author:** [@raenrfm](https://community.particle.io/u/raenrfm)\ **Replies:** 21\ **Last updated:** [August 23, 2026, 6:47am UTC](https://community.particle.io/t/is-this-project-dead/71385 "2026-08-23T06:47:05Z")
@mrlambchop Are we going to get any updates on where we are with this project? Did I waste my money and time on it? Hello? --- ## [Any ideas for Particle add-ons / apps / tools?](https://community.particle.io/t/any-ideas-for-particle-add-ons-apps-tools/72460)
**Author:** [@blubbsik](https://community.particle.io/u/blubbsik)\ **Replies:** 0\ **Last updated:** [August 21, 2026, 1:44pm UTC](https://community.particle.io/t/any-ideas-for-particle-add-ons-apps-tools/72460 "2026-08-21T13:44:45Z")
Hi all! I'm a hobbyist developer and have built a couple of Android apps (e.g. GPS trackers) and some plugins for web applications (e.g. data conversion or reporting tools). Now I'm searching for a new "project" for me… --- ## [B404 No Response from NCP](https://community.particle.io/t/b404-no-response-from-ncp/72452)
**Author:** [@reyesel](https://community.particle.io/u/reyesel)\ **Replies:** 5\ **Last updated:** [August 20, 2026, 8:52am UTC](https://community.particle.io/t/b404-no-response-from-ncp/72452 "2026-08-20T08:52:24Z")
I've got a B404X than I cannot get to connect to a network. I've included a log from Device Dr and from what I've seen on a related post it may be a hardware failure but should I try anything else? 0000233566 \[ncp.clien… --- ## [MUON635 Preorder Status(Ordered May'24) – Shipment Timeline or Refund Only?](https://community.particle.io/t/muon635-preorder-status-ordered-may24-shipment-timeline-or-refund-only/71094)
**Author:** [@Jahed](https://community.particle.io/u/Jahed)\ **Replies:** 7\ **Last updated:** [August 17, 2026, 11:09pm UTC](https://community.particle.io/t/muon635-preorder-status-ordered-may24-shipment-timeline-or-refund-only/71094 "2026-08-17T23:09:29Z")
Hello Community, I preordered the MUON635 in May 2024 and, as of Feb 2026, there is still no confirmed shipping date. Over the past ~2 years, I have followed up multiple times and received shifting timelines. Most rece… --- ## [Argon unable to connect to cloud and unable to update NCP](https://community.particle.io/t/argon-unable-to-connect-to-cloud-and-unable-to-update-ncp/72416)
**Author:** [@usuario\_feliz](https://community.particle.io/u/usuario_feliz)\ **Replies:** 4\ **Last updated:** [August 17, 2026, 11:02am UTC](https://community.particle.io/t/argon-unable-to-connect-to-cloud-and-unable-to-update-ncp/72416 "2026-08-17T11:02:15Z")
Hello, I just opened a very old Argon. I am unable to get it to connect to cloud. Below are some of the logs. I've tried flashing via the cli and web. I've tried using the device doctor and the device restore. It says it… [Next page](https://community.particle.io/latest.md?page=1)