Probably just a transmission glitch. Clear out the apt cache and try again. sudo apt-get clean sudo apt-get update
Let us know if it works. ** Package changed: ubuntu => apt (Ubuntu) ** Changed in: apt (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1907510 Title: Apt-get upgrade fails with checksum errors Status in apt package in Ubuntu: Incomplete Bug description: scw@ellen:~$ lsb_release -rd Description: Ubuntu 20.04.1 LTS Release: 20.04 ? I expected a number of packages to be upgraded What I got was this: Err:3 http://us.archive.ubuntu.com/ubuntu focal-updates/main amd64 linux-firmware all 1.187.6 Hash Sum mismatch Hashes of expected file: - SHA512:b198b64b10643e8515f870c1e8e3edcfec446d1ff82780d50d04b859e14a3448f22ffe1d42a25c73fe8e746e4a764032798d02fdf3287cd8eb378f903d358a59 - SHA256:9e128cf120150f7165b94edd1ac0e0ab32aa799b427523d98abcfe68030b6e12 - SHA1:366eb2906eceb6acf17f4db1e6b02f8b4542f2e4 [weak] - MD5Sum:d6b26be80cf8a51822628cd412202b81 [weak] - Filesize:99497284 [weak] Hashes of received file: - SHA512:6c842fe3eaaa4148939a8dc59472e4229f221b500ea5c7d506d62b218c3d42b9f352f3ae7dc75fc7c9b9bae743abcfce45e5145cf9a05b976c32fb94e713deba - SHA256:429e462403f7680d8377d845ab0d1be8b625339d24a440d226d0622af9a56d98 - SHA1:d506c2bf77b76b5b3e8c008b649a066353dc999f [weak] - MD5Sum:1f56350abd87c4bc6bb3291f0412cded [weak] - Filesize:99497284 [weak] Last modification reported: Thu, 26 Nov 2020 17:18:59 +0000 Fetched 99.7 MB in 14s (6,967 kB/s) E: Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/l/linux-firmware/linux-firmware_1.187.6_all.deb Hash Sum mismatch Hashes of expected file: - SHA512:b198b64b10643e8515f870c1e8e3edcfec446d1ff82780d50d04b859e14a3448f22ffe1d42a25c73fe8e746e4a764032798d02fdf3287cd8eb378f903d358a59 - SHA256:9e128cf120150f7165b94edd1ac0e0ab32aa799b427523d98abcfe68030b6e12 - SHA1:366eb2906eceb6acf17f4db1e6b02f8b4542f2e4 [weak] - MD5Sum:d6b26be80cf8a51822628cd412202b81 [weak] - Filesize:99497284 [weak] Hashes of received file: - SHA512:6c842fe3eaaa4148939a8dc59472e4229f221b500ea5c7d506d62b218c3d42b9f352f3ae7dc75fc7c9b9bae743abcfce45e5145cf9a05b976c32fb94e713deba - SHA256:429e462403f7680d8377d845ab0d1be8b625339d24a440d226d0622af9a56d98 - SHA1:d506c2bf77b76b5b3e8c008b649a066353dc999f [weak] - MD5Sum:1f56350abd87c4bc6bb3291f0412cded [weak] - Filesize:99497284 [weak] Last modification reported: Thu, 26 Nov 2020 17:18:59 +0000 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1907510/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp