Still Kicks

Robot vacuums · Eureka

Eureka J15

A low-priced robot vacuum that owners flash with Valetudo to run entirely locally, and that cleans well enough day to day; some have had to swap out an early faulty unit.

Read from 42 owner accountsUpdated October 4, 2026Owner rating: none yetAdd yoursCompare it

What keeps coming up

Rooting it and installing Valetudo is straightforward: plug in a micro USB data cable, follow the instructions exactly, and the robot is out mapping the house with no cloud involved. Several owners picked it as their first Valetudo robot for that reason and would recommend it.

Recurring in 4 of 42 accounts · See accounts
no owners yet

What keeps coming up against it

Owners are divided on how well it holds up. Two had a unit fail within the first weeks with a stuck lidar or radar error that left the robot unusable, while others have run theirs for some weeks with no trouble at all.

Recurring in 4 of 42 accounts · See accounts
no owners yet
Life with it

What keeps people pleased is that the robot does its daily job and does it without talking to anyone's servers. Owners describe it handling real household messes well, and the ones who went the Valetudo route run it from the web interface or Home Assistant and like having it fully under their own control. The price keeps coming up too: people who bought it on sale feel they got more navigation than the money suggested.

The adjustments are mostly around the edges. There is no phone app once Valetudo is on it, so control means a browser or home automation. One owner finds the path planning wasteful, with the robot taking convoluted routes around objects, and thinks the mop extension is not quite right. Another had to rebuild the map several times because the robot started getting stuck at door thresholds after about a week. A couple of owners also hit Valetudo-specific snags, such as the dock not actually emptying the dustbin when told to, or NTP errors that needed the gateway address set as the time server. And Eureka's model naming (Ultra, Pro Ultra, Max Ultra, Ultra Evo) confuses even the people who bought one.

Reliability & repairs

The picture is genuinely split. Two owners had early units fail: one robot worked for a week before a stuck radar error bricked it, and troubleshooting with Eureka went nowhere until the company issued a full refund. Another had lidar problems and went through the replacement process twice in two months, and believes lidar faults are common on this model. On the other side, one owner's replacement has run for a couple of weeks without issue, and another has had theirs for some weeks with everything working as expected. One owner also noted that both of their robots arrived on old firmware that blocked installing the Valetudo package the documented way.

The long-term record is thin. Most accounts cover weeks, not months or years, and the owners who report no trouble are still early in ownership. What can be said is that the failures people describe tend to show up quickly, in the first week or two, and that Eureka has refunded or replaced units when they did.

More detail
What owners praise, where they are split, and the follow-up timeline

What owners praise

Nothing with a clear majority yet. Owners who raised these subjects were split, or too few to judge.

Nothing has a clear majority against it yet. Counted from the owners who raised each subject, not from everyone. A subject is judged once at least 4 owners raise it.

Does it still kick?

2 weeks3 months6 months1 year2 years

The same owner, asked again at each point. Fills in as owners answer.

Own this one?

Two questions: how long you have had it, and anything you would like to say about it. Then we ask again as it ages. This helps our mission.

Add yours

More in robot vacuums: Neato D7, Neato D8, Ecovacs X1.

Where this came from

Where this came from

Public discussions we read and summarised in our own words. Nothing here was submitted to Still Kicks.

  • Forum threads 25 accounts
  • Video owner reports 17 accounts
  • Owner accounts collected here 0

Counted from public accounts by people who said they own it, and summarised by Still Kicks in its own words. Not a manufacturer claim, a lab test or an estimate.

No account needed to look. Sign in with Google only if you want to track something you own.