This information is collected over time by my rooted devices and stored in a database. There might be firmware older than this, but it is not listed here as I did not own a particular device at that time. There is no guarantee for accuracy of this information, as the availability of firmware might be device specific and region specific. Sometimes I don't have enough devices to cover all regions.
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| Region | cn | de | ru | sg | us |
| first seen | 2019-05-24 | 2019-05-24 | 2019-05-24 | 2019-05-24 | 2021-09-09 |
| Type | MD5 | Filename | Version | Datetime | Size | Regions |
| app | 365ab9eca187e817ef8251774ca2b959 | 365ab9eca187e817ef8251774ca2b959_upd_viomi.vacuum.v6.bin | 3.4.5_0021 | 2019-06-13 03:46:00 | 44,809 MB | cn,de,sg |
| app | a585c1d6f68ab50465b073c50190a9a3 | a585c1d6f68ab50465b073c50190a9a3_upd_viomi.vacuum.v6.bin | 3.5.3_0030 | 2019-10-07 01:42:00 | 50,122 MB | cn,de,ru,sg |
| app | 04799af93bd1e1fe181b8fbf73870c5b | 04799af93bd1e1fe181b8fbf73870c5b_upd_viomi.vacuum.v6.bin | 3.5.8_0033 | 2020-03-06 09:47:00 | 45,597 MB | cn,de,ru,sg |
| app | 3e32535ba81518f6b1d4f3c8b95e0919 | 3e32535ba81518f6b1d4f3c8b95e0919_upd_viomi.vacuum.v6.bin | 3.5.8_0034 | 2020-03-31 10:32:00 | 43,899 MB | cn,de,ru,sg |
| app | 8c9c3b4b11e4678a7d8b11b87ee0d5d0 | 8c9c3b4b11e4678a7d8b11b87ee0d5d0_upd_viomi.vacuum.v6.bin | 3.5.8_0037 | 2020-07-15 01:51:00 | 44,228 MB | cn,de,ru,sg |
| app | 3a8bdb59d5f52d54d20b15fda96dd4d7 | 3a8bdb59d5f52d54d20b15fda96dd4d7_upd_viomi.vacuum.v6.bin | 3.5.8_0041 | 2020-11-26 03:26:00 | 48,749 MB | cn,de,ru,sg |
| app | c341fa57e47db80bbff2064983b8a4b0 | c341fa57e47db80bbff2064983b8a4b0_upd_viomi.vacuum.v6.bin | 3.5.8_0046 | 2021-06-26 01:09:00 | 44,709 MB | cn,de,ru,sg,us |
These logs are extracted from official firmware releases. They might or might not contain useful information.
| Type | Version | Datetime | Changelog |
| app | 3.4.5_0021 | 2019-06-13 03:46:00 | 1. 优化地图显示 |
| app | 3.5.3_0030 | 2019-10-07 01:42:00 | |
| app | 3.5.8_0033 | 2020-03-06 09:47:00 | 1.优化è¯éŸ³ |
| app | 3.5.8_0034 | 2020-03-31 10:32:00 | |
| app | 3.5.8_0037 | 2020-07-15 01:51:00 | |
| app | 3.5.8_0041 | 2020-11-26 03:26:00 | Support Multi-voice Settings |
| app | 3.5.8_0046 | 2021-06-26 01:09:00 | Fixed speech issues. |