# Platform

**URL:** https://syncloud.discourse.group/c/platform/14.md

[Latest](https://syncloud.discourse.group/latest.md) · [Categories](https://syncloud.discourse.group/categories.md) · [Tags](https://syncloud.discourse.group/tags.md)

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## [About the Platform category](https://syncloud.discourse.group/t/about-the-platform-category/495)

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**Author:** [@klmhsb42](https://syncloud.discourse.group/u/klmhsb42)\
**Replies:** 0\
**Last updated:** [7 December 2024 07:04 UTC](https://syncloud.discourse.group/t/about-the-platform-category/495 "2024-12-07T07:04:36Z")

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Topics related to the platform’s features and support.

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## [Err\_connection\_refused](https://syncloud.discourse.group/t/err-connection-refused/678)

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**Author:** [@Dan](https://syncloud.discourse.group/u/Dan)\
**Replies:** 13\
**Last updated:** [13 September 2026 01:44 UTC](https://syncloud.discourse.group/t/err-connection-refused/678 "2026-09-13T01:44:32Z")

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Suddenly getting ERR\_CONNECTION\_REFUSED. Can still connect via SSH and top shows applications running. I tried connecting through a web browser using local IP address, not working

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## [Warning message ssh connection](https://syncloud.discourse.group/t/warning-message-ssh-connection/666)

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**Author:** [@shire](https://syncloud.discourse.group/u/shire)\
**Replies:** 2\
**Last updated:** [11 August 2026 08:41 UTC](https://syncloud.discourse.group/t/warning-message-ssh-connection/666 "2026-08-11T08:41:12Z")

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I tried using ssh to log into the device and receive the following message. Is there maybe something which needs updating? \*\* WARNING: connection is not using a post-quantum key exchange algorithm. \*\* This session may …

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## [I have a couple questions about Syncloud](https://syncloud.discourse.group/t/i-have-a-couple-questions-about-syncloud/415)

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**Author:** [@GamesInWineBottles](https://syncloud.discourse.group/u/GamesInWineBottles)\
**Replies:** 7\
**Last updated:** [31 May 2026 11:54 UTC](https://syncloud.discourse.group/t/i-have-a-couple-questions-about-syncloud/415 "2026-05-31T11:54:33Z")

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Hello, I’m looking for an easy DIY self hosting option for someone like me that’s a Linux nerd but not a system admin by trade. Researching all the options Syncloud seems like the best fit for me. Open Source and at aro…

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## [Unable to reboot](https://syncloud.discourse.group/t/unable-to-reboot/640)

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**Author:** [@trevorprinn](https://syncloud.discourse.group/u/trevorprinn)\
**Replies:** 27\
**Last updated:** [13 May 2026 11:50 UTC](https://syncloud.discourse.group/t/unable-to-reboot/640 "2026-05-13T11:50:27Z")

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My Nextcloud server (Syncloud H4 with 1TB disk) was in maintenance mode this morning. I noticed it was running an old version of Nextcloud (didn’t make a note of exactly what version). After leaving it all day, and findi…

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## [Cannot access my Syncloud anymore](https://syncloud.discourse.group/t/cannot-access-my-syncloud-anymore/647)

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**Author:** [@SimoneBuralli](https://syncloud.discourse.group/u/SimoneBuralli)\
**Replies:** 11\
**Last updated:** [11 May 2026 12:20 UTC](https://syncloud.discourse.group/t/cannot-access-my-syncloud-anymore/647 "2026-05-11T12:20:39Z")

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Hi Boris, I’ve been struggling with Syncloud for 13 days with many different issues: image, different apps. I’m quite tired, frankly speaking. Anyway here follows the description of the situation: Syncloud cannot be …

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## [System update to 2643 from 2310 kills web ui on HC4 Odroid](https://syncloud.discourse.group/t/system-update-to-2643-from-2310-kills-web-ui-on-hc4-odroid/628)

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**Author:** [@AndreiP](https://syncloud.discourse.group/u/AndreiP)\
**Replies:** 8\
**Last updated:** [10 April 2026 14:42 UTC](https://syncloud.discourse.group/t/system-update-to-2643-from-2310-kills-web-ui-on-hc4-odroid/628 "2026-04-10T14:42:37Z")

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Hello, Trying to update from 2310 to 2643 and although the update finishes succesfully and my apps work (grocy, paperless) the web ui eventually breaks and shows system error. Files app also has/had an issue even before…

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## [Device registration went fine but I have no external access](https://syncloud.discourse.group/t/device-registration-went-fine-but-i-have-no-external-access/585)

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**Author:** [@SimoneBuralli](https://syncloud.discourse.group/u/SimoneBuralli)\
**Replies:** 1\
**Last updated:** [10 July 2025 06:58 UTC](https://syncloud.discourse.group/t/device-registration-went-fine-but-i-have-no-external-access/585 "2025-07-10T06:58:03Z")

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Hi Boris, I have moved my device into a new house. Here follows what I have done to make it work under a new network: I opened 443 TCP in the router (External Access · syncloud/platform Wiki · GitHub); I made a new re…

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## [Let's Encrypt Expiration Emails](https://syncloud.discourse.group/t/lets-encrypt-expiration-emails/566)

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**Author:** [@Dan](https://syncloud.discourse.group/u/Dan)\
**Replies:** 1\
**Last updated:** [2 April 2025 08:02 UTC](https://syncloud.discourse.group/t/lets-encrypt-expiration-emails/566 "2025-04-02T08:02:37Z")

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Got an email from Let’s Encrypt stating that email notifications for expiring certificates will no longer be sent. Should I be worrying about these?

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## [Syncloud not reachable after installing apps](https://syncloud.discourse.group/t/syncloud-not-reachable-after-installing-apps/547)

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**Author:** [@klmhsb42](https://syncloud.discourse.group/u/klmhsb42)\
**Replies:** 37\
**Last updated:** [2 February 2025 09:41 UTC](https://syncloud.discourse.group/t/syncloud-not-reachable-after-installing-apps/547 "2025-02-02T09:41:26Z")

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Dear @boris , sadly I have some serious issue with my syncloud device, as I’m not able to reach the syncloud UI nor other apps that did work before. It’s probably due to one of the reasons: I installed crowdsec without…

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## [Web UI not reachable](https://syncloud.discourse.group/t/web-ui-not-reachable/484)

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**Author:** [@fzed](https://syncloud.discourse.group/u/fzed)\
**Replies:** 35\
**Last updated:** [30 December 2024 13:02 UTC](https://syncloud.discourse.group/t/web-ui-not-reachable/484 "2024-12-30T13:02:51Z")

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Hi! Since about 2 days, my Syncloud instance (and no apps etc.) is not reachable and I don’t know how to find out what is wrong. Restarting the device and the router doesn’t help My router says that the device is conn…

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## [Explanation for external storage expansion](https://syncloud.discourse.group/t/explanation-for-external-storage-expansion/531)

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**Author:** [@Swerve7837](https://syncloud.discourse.group/u/Swerve7837)\
**Replies:** 9\
**Last updated:** [25 December 2024 23:03 UTC](https://syncloud.discourse.group/t/explanation-for-external-storage-expansion/531 "2024-12-25T23:03:02Z")

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Hi, I know there have been a few topics relating to storage expansion, but I’d like some additional information and clarification. I currently have a Syncloud N with two drives, the internal M.2 and an ssd installed with…

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## [Certificate is expired](https://syncloud.discourse.group/t/certificate-is-expired/475)

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**Author:** [@SimoneBuralli](https://syncloud.discourse.group/u/SimoneBuralli)\
**Replies:** 53\
**Last updated:** [8 December 2024 21:10 UTC](https://syncloud.discourse.group/t/certificate-is-expired/475 "2024-12-08T21:10:51Z")

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hi team, the certificate on my machine has expired. How can I solve it? Here follows the certificate log: Nov 27 08:13:00 syncloud platform.backend\[1714\]: {“category”: “certificate”} Nov 27 08:00:54 syncloud platform.…

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## [Disk loops in storage?](https://syncloud.discourse.group/t/disk-loops-in-storage/450)

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**Author:** [@shire](https://syncloud.discourse.group/u/shire)\
**Replies:** 6\
**Last updated:** [31 August 2024 09:20 UTC](https://syncloud.discourse.group/t/disk-loops-in-storage/450 "2024-08-31T09:20:33Z")

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Hello together, after moving to a new device I see a few Disk Loop entries besides the M.2 in the storage section. Is this normal? Bye.

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## [Upgrade 32 bit to 64 bit](https://syncloud.discourse.group/t/upgrade-32-bit-to-64-bit/444)

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**Author:** [@trevorprinn](https://syncloud.discourse.group/u/trevorprinn)\
**Replies:** 42\
**Last updated:** [10 July 2024 17:42 UTC](https://syncloud.discourse.group/t/upgrade-32-bit-to-64-bit/444 "2024-07-10T17:42:40Z")

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I currently have an odroid purchased from syncloud in 2019 that has 32 bit s/w on it. I need 64 bit to upgrade Nextcloud. It would also be useful to get everything onto a larger disk. How can I go about upgrading?

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## [Typo in Github causes Docker installation to fail](https://syncloud.discourse.group/t/typo-in-github-causes-docker-installation-to-fail/446)

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**Author:** [@Morgendorfferr](https://syncloud.discourse.group/u/Morgendorfferr)\
**Replies:** 3\
**Last updated:** [4 July 2024 16:59 UTC](https://syncloud.discourse.group/t/typo-in-github-causes-docker-installation-to-fail/446 "2024-07-04T16:59:08Z")

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I tried to run syncloud from docker on an old intel PC with debian installed but failed: # docker run \\ --restart=always \\ --name=syncloud \\ --volume=/storage:/opt/disk/internal \\ --privileged \\ --detach=true …

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## [Can't access via browser, corrupted sd card](https://syncloud.discourse.group/t/cant-access-via-browser-corrupted-sd-card/425)

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**Author:** [@beaujean98](https://syncloud.discourse.group/u/beaujean98)\
**Replies:** 17\
**Last updated:** [7 June 2024 21:20 UTC](https://syncloud.discourse.group/t/cant-access-via-browser-corrupted-sd-card/425 "2024-06-07T21:20:29Z")

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Since a few days, I can’t access the nextcloud app nor syncloud platform from any of my devices, be it in the local network or not. I have restarted the machine a few times. I can log on via ssh. This is pretty annoying,…

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## [Cannot update the System to 2161](https://syncloud.discourse.group/t/cannot-update-the-system-to-2161/430)

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**Author:** [@jamidi99](https://syncloud.discourse.group/u/jamidi99)\
**Replies:** 10\
**Last updated:** [3 June 2024 21:35 UTC](https://syncloud.discourse.group/t/cannot-update-the-system-to-2161/430 "2024-06-03T21:35:47Z")

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My system is at rev. 2046, the Settings:Updates shows available update to rev. 2162 but when I click to update it spins a “waiting” indicator for couple of seconds and does nothing. I tried updating couple of weeks ago,…

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## [Transmission: how to make it autostarting?](https://syncloud.discourse.group/t/transmission-how-to-make-it-autostarting/421)

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**Author:** [@SimoneBuralli](https://syncloud.discourse.group/u/SimoneBuralli)\
**Replies:** 5\
**Last updated:** [27 May 2024 21:30 UTC](https://syncloud.discourse.group/t/transmission-how-to-make-it-autostarting/421 "2024-05-27T21:30:19Z")

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Hi Boris, I have recently (re)installed Transmission. I’m very happy of it. There is only one problem: whenever I restart my Syncloud machine, I need to perform the following command to make it work: snap restart trans…

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## [Cannot connect via SSH (but can connect otherwise)](https://syncloud.discourse.group/t/cannot-connect-via-ssh-but-can-connect-otherwise/405)

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**Author:** [@genderneutralnoun](https://syncloud.discourse.group/u/genderneutralnoun)\
**Replies:** 2\
**Last updated:** [10 February 2024 12:53 UTC](https://syncloud.discourse.group/t/cannot-connect-via-ssh-but-can-connect-otherwise/405 "2024-02-10T12:53:31Z")

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I had to move the box my Syncloud is on to connect directly to the router, instead of to a wifi “extender” or whatever they’re called, due to various reasons (Xfinity is so unfriendly to power users…) and I’m trying to a…

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## [External disks start working with no apparent reason. How could I know why?](https://syncloud.discourse.group/t/external-disks-start-working-with-no-apparent-reason-how-could-i-know-why/398)

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**Author:** [@SimoneBuralli](https://syncloud.discourse.group/u/SimoneBuralli)\
**Replies:** 1\
**Last updated:** [18 January 2024 13:43 UTC](https://syncloud.discourse.group/t/external-disks-start-working-with-no-apparent-reason-how-could-i-know-why/398 "2024-01-18T13:43:20Z")

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Hello everybody, I have Nextcloud and Plex only installed on my Syncloud. The external disks (2 rotating disks in RAID 1) start buzzing with no apparent reason because nobody is using the system (better to say: none of …

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## [MicroSD card choice?](https://syncloud.discourse.group/t/microsd-card-choice/395)

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**Author:** [@pirboazo](https://syncloud.discourse.group/u/pirboazo)\
**Replies:** 2\
**Last updated:** [4 November 2023 13:27 UTC](https://syncloud.discourse.group/t/microsd-card-choice/395 "2023-11-04T13:27:48Z")

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Hi all Which MicroSD card do you use for your syncloud servers? Pierre

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## [Error: Refused Connection - Access to Syncloud failed](https://syncloud.discourse.group/t/error-refused-connection-access-to-syncloud-failed/376)

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**Author:** [@Lomax](https://syncloud.discourse.group/u/Lomax)\
**Replies:** 14\
**Last updated:** [11 September 2023 20:52 UTC](https://syncloud.discourse.group/t/error-refused-connection-access-to-syncloud-failed/376 "2023-09-11T20:52:06Z")

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Suddenly the access to my syncloud device ist not possible anymore. Browser said: ERR\_CONNECTION\_REFUSED I didn´t change any settings. The only access is possible over SSH. What is to do?

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## [DNS Records TXT](https://syncloud.discourse.group/t/dns-records-txt/368)

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**Author:** [@marxistvegan](https://syncloud.discourse.group/u/marxistvegan)\
**Replies:** 11\
**Last updated:** [29 August 2023 12:40 UTC](https://syncloud.discourse.group/t/dns-records-txt/368 "2023-08-29T12:40:56Z")

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Looking to move my domain email to protonmail and it needs a DNS records to verify the domain, is there anyway to do that?

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## [Apps no work after update](https://syncloud.discourse.group/t/apps-no-work-after-update/364)

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**Author:** [@raud3rs](https://syncloud.discourse.group/u/raud3rs)\
**Replies:** 5\
**Last updated:** [2 August 2023 07:44 UTC](https://syncloud.discourse.group/t/apps-no-work-after-update/364 "2023-08-02T07:44:31Z")

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Hello, I have a problem. After updating to version 1944, I have no access to any of my apps. (502 Bad Gateway nginx/1.20.1) update to 1951 worked but unfortunately no changes. nextcloud update doesn’t work either. Unfo…

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## [Updates and current versions](https://syncloud.discourse.group/t/updates-and-current-versions/362)

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**Author:** [@docvalium](https://syncloud.discourse.group/u/docvalium)\
**Replies:** 1\
**Last updated:** [15 July 2023 17:05 UTC](https://syncloud.discourse.group/t/updates-and-current-versions/362 "2023-07-15T17:05:56Z")

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Hi, I’m a bit uncertain if my system is running normally. None of my apps nor the system have seen any updates in many months. They used to come quite frequently and I also read about some important security updates for…

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## [Serrver error when active syncloud](https://syncloud.discourse.group/t/serrver-error-when-active-syncloud/359)

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**Author:** [@lyle](https://syncloud.discourse.group/u/lyle)\
**Replies:** 4\
**Last updated:** [6 July 2023 07:40 UTC](https://syncloud.discourse.group/t/serrver-error-when-active-syncloud/359 "2023-07-06T07:40:42Z")

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I am using RaspPi 3+ to set up a syncloud demo. So when I deactivate and reactivate again I got an error as below. I had changed the network settings before but then I reset the router to default. Thanks a lot \<3

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## [Unable to extend internal memory](https://syncloud.discourse.group/t/unable-to-extend-internal-memory/353)

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**Author:** [@Shoobledoops](https://syncloud.discourse.group/u/Shoobledoops)\
**Replies:** 5\
**Last updated:** [20 June 2023 04:01 UTC](https://syncloud.discourse.group/t/unable-to-extend-internal-memory/353 "2023-06-20T04:01:15Z")

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Hi there, I’ve freshly installed syncloud-amd64-uefi-23.06.img.xz to my server using Etcher, activated it, and installed updates. I’ve referenced this wiki page: Home · syncloud/platform Wiki · GitHub but when I try to…

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## [Can not update syncloud system after reinstall](https://syncloud.discourse.group/t/can-not-update-syncloud-system-after-reinstall/349)

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**Author:** [@dstebani](https://syncloud.discourse.group/u/dstebani)\
**Replies:** 15\
**Last updated:** [1 June 2023 09:20 UTC](https://syncloud.discourse.group/t/can-not-update-syncloud-system-after-reinstall/349 "2023-06-01T09:20:41Z")

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I wanted to reinstall my syncloud system because it did not update. After reinstalling it with a brand new sd card and the latest Odroid HC4 image it still does not update. When I click on the update button it is busy f…

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## [Device migration - questions](https://syncloud.discourse.group/t/device-migration-questions/344)

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**Author:** [@SuperUser](https://syncloud.discourse.group/u/SuperUser)\
**Replies:** 3\
**Last updated:** [16 May 2023 06:05 UTC](https://syncloud.discourse.group/t/device-migration-questions/344 "2023-05-16T06:05:12Z")

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Hi there, I would like to buy a new device (64bit) and install syncloud on it. My current device is obviously 32bit. Is it possible to plug the currently used SDD and SD-card into the new device? Or do I have to flash s…

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