Xiaomi Mi Robot Vacuum
The robot that normalized LiDAR autonomy in homes under $500. Navigation was a genuine category leap. Maintenance burden and app reliability were the trade-offs.
List price
$399
Released 2016.08Reassessed 2026.09.02
Will the Xiaomi Mi Robot Vacuum work in your home?
Describe your home using the controls. Each choice reads the spec sheet for you, flagging where the Xiaomi Mi Robot Vacuum is built for your space and where it isn’t.
A classification of fit for the conditions you set, not a recommendation. Verdicts describe engineering design intent, not test results.
Living with it.
Two firmware updates stabilized navigation; app deprecation makes long-term ownership untenable.
↘ Decliningowner-reported arc
2016-2017 firmware iterations addressed obstacle detection and mapping drift. After 2017, firmware stagnated while OS updates broke app compatibility. Owner forums report increasing mapping failures after 2020.
Empty dust bin (no auto-empty dock).
Inspect main brush and for hair wrapping.
Clean ; replace if clogged (~$5 per filter).
Deep-clean main brush bristles; check wheel bearings for debris.
Re-map home layout if Wi-Fi interference causes drift.
$399 to buy, then about $25 a year for the replaceable parts below. Over three years that is roughly $75 past the sticker price. Excludes electricity and any repairs.
- Monthly$5
Replacement cadence from the maintenance schedule; prices shown where the source documents them.
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CautionWi-Fi dependency for operationRobot requires persistent 2.4 GHz Wi-Fi. Network loss halts mid-run; no fallback to local operation.
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Manufacturer specs document gyroscope-only edge detection; user must verify no unprotected stairs in path.
The full spec sheet.
Priced below the category median, with every figure charted against the category below.
- FootprintThe width, depth and height of the robot itself, without its dock.
- 13.78 in dia, 3.63 in tall
- WeightThe robot alone, without its dock, as the maker states it.
- 8.38 lbs
- BatteryStored energy in watt-hours; a larger pack runs longer, not harder.
- 74.9 Wh · Li-ion
- Wi-FiThe bands the robot can join; many models need a 2.4 GHz network to set up.
- 2.4 GHz only
- Onboard dustbinThe bin inside the robot; an auto-empty dock moves its contents into a bag.
- 420 mL•
- DockWhat the base does besides charging: empty the bin, wash and dry pads, refill water.
- Charge-only dock, no self-emptying
LiDAR-based SLAM + gyroscope
Position shows where the figure sits across the tracked category, not a quality judgment. Suction in Pascals has no standard test method, and the published figure is a peak-mode claim, so it is comparable only within a brand and generation.
How the assessment has moved.
Every announcement, release and reassessment behind the current classification.
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Sep 2026 · AssessmentRobovations Score recorded at 51 of 100
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Aug 2026 · AssessmentRobovations Score rescored under v4.2
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Jul 2026 · AssessmentRobovations Score recorded at 66 of 100
What people actually ask.
OperationWhy is the original Mi Robot Vacuum historically significant?
OperationWhy was the Mi Robot Vacuum discontinued?
OperationWhat makes it different from Roomba and Neato vacuums of the same era?
Where it's sold
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We are no longer finding a current new-stock listing for this robot. Remaining offers may be used, refurbished, or third-party — confirm the condition and price on the retailer’s page before buying.
Reference the Xiaomi Mi Robot Vacuum classification.
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Robovations. "Xiaomi Mi Robot Vacuum: Autonomy Level III (Conditional Autonomy)." Autonomy Ladder™, assessed September 2026. https://robovations.com/robots/xiaomi-mi-robot-vacuum/
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