Amazfit Bip U: problems, parts and running costs

Checked: 2026-10-17

Summary

The defining limitation is the absence of built-in GPS: every outdoor route, distance and pace comes from the paired phone, so a run without a phone records no route at all. There are no consumables and no subscription; the only user-replaceable part is the standard 20mm strap, and the model is discontinued in the US.

Common problems and fixes

No built-in GPS — route, distance and pace all come from the paired phone, so outdoor workouts without a phone record nothing; Amazfit India’s refurbished page advertises high-precision GPS and Manua.ls’s prose claims GPS functionality while its own spec table says no, so disregard both and carry the phone. [1][11][4]
Battery far short of the 9-day claim — Amazfit’s figure assumes a 10-minute heart-rate interval, 50 notifications a day, 200 screen wakes, one 30-minute outdoor run and two SpO2 readings daily; GSMArena measured about 4 days with one-minute heart rate, 50% brightness, sleep tracking, breathing quality, all-day stress and 100-plus notifications, and TechRadar reported 5 days heavy and about a week light-to-medium. [2][4]
Heart rate spikes to the limit in workouts — GSMArena recorded a higher pulse that reached the limit, described as totally inaccurate; Amazfit’s own support guidance attributes inaccurate readings to a loose band with gaps against the skin, so wear it snug and keep the sensor area clean. [2][3]
Step counter over-reports and connected GPS lock is slow — GSMArena found the step counter always records some extra steps, and a reader comment says the connected GPS is awful, with a Mi Band 6 locking in about a second where the Bip U lagged. [2]
Sleep tracking degrades on mid-night wakes — a reader comment says the sleep monitor is very inaccurate, especially if you get up in the middle of the night; no fix reported. [2]
Zepp app friction — duplicate setting locations, unsupported fields greyed out instead of hidden, notifications capped at 10, incomplete app icons, and a watch that sometimes takes a long time to reconnect and sync. [2][4]

Parts and consumables

Internal 230 mAh battery — not user-replaceable; there is no official parts channel and no published battery-replacement procedure, and a third-party parts seller’s Amazfit Bip 225 mAh cell is not Bip U-specific. [5][8]

Because the model is discontinued, a dead Bip U is a replacement purchase, not a repair.

Yearly running cost

About $0 a year: there is no subscription and no accessory lock-in, and the only consumable-style replacement is the strap. [10] Amazfit’s general warranty covers manufacturing defects and excludes normal wear and tear; its product-manual boilerplate states a 12-month limited warranty, though no Bip U-specific warranty document was located. Electricity cost was not computed; charging takes about 1 h 45 m per cycle.

When it is a good buy

The model is discontinued in the US and Amazfit’s current budget watches are better specified at similar money. [9] Amazfit’s own Bip 5 is $89.99 and the Bip Max is $99.99, with bigger, brighter displays, onboard GPS and far longer battery life for the same money. [6][9] Paying more than roughly $80 for a Bip U means paying a premium for a discontinued sensor stack with no GPS; at its 2020 launch price of INR 3,999, about $55, it was defensible for 5 ATM, a Gorilla Glass screen that survived drops in testing and genuinely useful sleep tracking. [2][4] Amazfit India lists a refurbished Bip U at INR 999 against a struck-through INR 5,999. [1]

Amazfit Bip 5 ($89.99) — the better choice for a new, supported budget watch with a bigger, brighter display at the same money. [6]
Amazfit Bip Max ($99.99) — the better choice when onboard GPS and far longer battery life matter; Amazfit rates it at a 20-day battery with 4 GB storage. [9]