Is s21 ultra screen replacement profitable to sell on Amazon United States?

The niche generates $187K/yr across 31 tracked products. 0 of 18 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Worth a look (53/100).

How competitive is the s21 ultra screen replacement niche?

21 brands and 25 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 64% of demand.

What do buyers complain about in s21 ultra screen replacement?

Top complaints mined from reviews: Quality-Overall, Touch/Button Controls, Size-Overall. The return rate is 5.7% — above our launch gate.

When does demand for s21 ultra screen replacement peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the s21 ultra screen replacement niche?

Listings span $29.24–$101.22; the average listing price is $72.12 (sweet spot $15–$100). The average incumbent carries 33 reviews — the moat a new listing must climb.

s21 ultra screen replacement

Worth a look

Shows beatable incumbent ratings (3.7★), but high returns (5.7%) keeps it on the watch list.

Quality gap

Incredible3.7★

avg incumbent rating — lower means beatable quality

Review moat

Incredible33.35

avg incumbent reviews — the moat a new listing must climb

Price range

Great$29.24–$101.22

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$72.12

avg listing price — sweet spot $15–$100

Brand share

Good64%

top-5 brand share — brands hold most of the demand

Competition

Good52%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$187K

$187K/yr · 128K searches

Conversion

Okay2.0%

search→purchase rate — share of searches ending in a sale

Growth

Bad-4.7%

90-day search growth — must beat 0% to launch

Returns

Bad5.7%

return rate — above 5% kills the launch gate

Signals No Dominant Brand Low Review Barrier Quality Gap High Returns High Price

According to Flapen's Amazon United States niche tracking, s21 ultra screen replacement is a $187K/yr Amazon United States market (128K searches/yr). The top 5 brands hold 64% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

s21 ultra screen replacement market data

Units sold / yr: 2K–3K; avg 0–100/product
Revenue / yr: $144K–$180K; units × avg price
Conversion rate: 2.0%
Avg BSR: #1,376
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 10.7%
Avg brand age: 28 months
Avg seller age: 216 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

Top-5 brand share

64%

Top 20: 99%

Top-5 click share

52%

Top 20: 88%

Open market

31%

LNONLS17%
ZTOOYO16%
AGCUT13%
JQYDZH11%
ARSSLY7%
Arbilato5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top s21 ultra screen replacement search terms

s21 ultra screen replacement39K/yr -1.4%2.3% conv.
samsung s21 ultra screen replacement22K/yr +16.2%1.4% conv.
samsung galaxy s21 ultra screen replacement11K/yr -1.5%2.5% conv.
pantalla s21 ultra original9K/yr -6.7%0.5% conv.
s21 ultra screen7K/yr +6.2%1.8% conv.
pantalla samsung s21 ultra6K/yr -12.8%0.9% conv.
pantalla s21 ultra5K/yr -23.5%0.5% conv.
galaxy s21 ultra screen replacement4K/yr -1.8%4.2% conv.
pantalla para samsung s21 ultra5K/yr -20.5%1.2% conv.
samsung s21 ultra screen4K/yr -16.2%2.5% conv.

All search terms

Top s21 ultra screen replacement products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

OLED for Samsung Galaxy S21 Ultra 5G LCD Screen Replacement for Samsung S21 Ultra Touch Digitizer Screen Display Assembly with Frame Toolkits G998U G998B/DS Black

LNONLS$87.843.8★132 rev

ZTOOYO AMOLED for Samsung Galaxy S21 Ultra 5G Screen Replacement with Frame for Samsung S21 Ultra Screen Replacement kit SM-G998u G998a G998w LCD Touch Display digitizer with Tools Black

ZTOOYO$86.193.9★152 rev

for Samsung Galaxy S21 Ultra 5G Screen Replacement - for Galaxy S21 Ultra 5G LCD Display SM-G998B G998U G998N for Samsung S21 Ultra 5G LCD Touch Screen Digitizer Glass Assembly with Frame (Black)

ARSSLY$46.953.5★27 rev

OLED for Samsung Galaxy S21 Ultra Screen Replacement for S21 Ultra 5G LCD Display for SM-G998U SM-G998B LCD Digitizer Touch Screen Assembly Black with Frame+Installation Video(with Fingerprint)

AGCUT$84.924.1★77 rev

JQYDZH for Galaxy S21 Ultra OLED Screen Replacement with Frame and Tools

JQYDZH$89.064.0★24 rev

Newest

by launch date

[Black with Frame] Amoled LCD for Samsung Galaxy S21 Ultra 5G G998 Digitizer Screen LCD Display Touch Assembly Replacement SM-G998 A F P R4 T U V W 6.8 inch by Qvouaw

Qvouaw$72.615 rev

1mo ago

Original 6.8 AMOLED 120Hz S21 Ultra Screen Replacement OEM for Samsung Galaxy S21Ultra 5G SM-G998U SM-G998U1 Touch Display Screen Digitizer Assembly (Black Frame+Protector+Adhesive+Tools)

SAMCDEZR$97.594 rev

4mo ago

OLED for Samsung Galaxy S21 Ultra Screen Replacement with Frame

KAMOVENITE$101.221 rev

5mo ago

ZTOOYO for Samsung Galaxy S21 Ultra 5G Screen Replacement with Frame for Samsung S21 Ultra Screen Replacement kit SM-G998u G998f G998w LCD Touch Display digitizer with Tools

ZTOOYO$48.351 rev

6mo ago

JQYDZH for Galaxy S21 Ultra OLED Screen Replacement with Frame and Tools

JQYDZH$89.0624 rev

7mo ago

What buyers say about s21 ultra screen replacement

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall12%

“Awesome quality”

Assembly/Installation11%

“Installation was simple”

Value For Money8%

“It's affordable and works well so far”

Display-Overall8%

“Nice screen performs”

Size-Overall8%

“Fits perfectly”

Display Resolution5%

“everything displays beautifully”

Efficiency5%

“work perfect”

Advertised Vs Actual Product4%

“Did the job”

Touch/Button Controls3%

“smooth touch responsiveness just like the original”

Ease Of Use3%

“It's been easy to use”

What buyers complain about

Quality-Overall10%

“which indicates a lack of quality control over the products they sell”

Touch/Button Controls7%

“touch ID doesn't work”

Size-Overall7%

“a case will not fit correctly either”

Touch Screen6%

“after 2 hours of use the screen started to become unresponsive”

Functionality-Overall5%

“Didn't function well”

Assembly/Installation5%

“Installation was tedious”

Display-Overall5%

“the screen cracks on it own”

Connectivity-Overall4%

“does not make contact all the time”

Value For Money3%

“A bit expensive than others”

Durability3%

“Not durable”

Top return reasons

Display-Overall20%

Size-Overall11%

Defective Material/Parts11%

Touch Screen10%

Functionality-Overall9%

Touch/Button Controls5%

Compatibility-Overall5%

Audio Volume4%

Advertised Vs Actual Product3%

Assembly/Installation2%

Common questions

Is s21 ultra screen replacement profitable to sell on Amazon United States?: The niche generates $187K/yr across 31 tracked products. 0 of 18 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Worth a look (53/100).
How competitive is the s21 ultra screen replacement niche?: 21 brands and 25 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in s21 ultra screen replacement?: Top complaints mined from reviews: Quality-Overall, Touch/Button Controls, Size-Overall. The return rate is 5.7% — above our launch gate.
When does demand for s21 ultra screen replacement peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the s21 ultra screen replacement niche?: Listings span $29.24–$101.22; the average listing price is $72.12 (sweet spot $15–$100). The average incumbent carries 33 reviews — the moat a new listing must climb.