---
title: "S21 Ultra Screen Replacement — $187K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/cell-phones-accessories/s21-ultra-screen-replacement"
last_updated: "2026-08-09T13:59:57.011Z"
locale: en
meta:
description: "Niche score 53/100 · $187K/yr market · 128K searches/yr · $72.12 avg price. High returns (5.7%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · $187K/yr market · 128K searches/yr · $72.12 avg price. High returns (5.7%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "S21 Ultra Screen Replacement — $187K/yr Amazon US Niche (2026) - Flapen"
---
# **s21 ultra screen replacement**
**Worth a look**
Shows beatable incumbent ratings (3.7★), but high returns (5.7%) keeps it on the watch list.
Market size 37Growth 23Conversion 25Competition 56Returns 22Price range 94Avg price 85Brand share 69Review moat 98Quality gap 98
**Quality gap**
**Incredible****3.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Incredible****33.35**
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**
**Good****64%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****52%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$187K**
$187K/yr · 128K searches
**Conversion**
**Okay****2.0%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-4.7%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****5.7%**
return rate — above 5% kills the launch gate
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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**
**25**
**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.
3K2KPrime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/cell-phones-accessories/s21-ultra-screen-replacement/trend)
## **Top s21 ultra screen replacement search terms**
- **s21 ultra screen replacement**39K/yr-1.4%2.3% conv. - **samsung s21 ultra screen replacement**22K/yr+16.2%1.4% conv. - **samsung galaxy s21 ultra screen replacement**11K/yr-1.5%2.5% conv. - **pantalla s21 ultra original**9K/yr-6.7%0.5% conv. - **s21 ultra screen**7K/yr+6.2%1.8% conv. - **pantalla samsung s21 ultra**6K/yr-12.8%0.9% conv. - **pantalla s21 ultra**5K/yr-23.5%0.5% conv. - **galaxy s21 ultra screen replacement**4K/yr-1.8%4.2% conv. - **pantalla para samsung s21 ultra**5K/yr-20.5%1.2% conv. - **samsung s21 ultra screen**4K/yr-16.2%2.5% conv. [**All search terms **](https://flapen.com/research/us/cell-phones-accessories/s21-ultra-screen-replacement/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.
0%5%$9K10%$19K15%$28K20%$37K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**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**$87.84**3.8★132 rev](https://www.amazon.com/dp/B0D41TYBT8) [2**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**$86.19**3.9★152 rev](https://www.amazon.com/dp/B0BV9G2XHB) [3**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**$46.95**3.5★27 rev](https://www.amazon.com/dp/B0DQTVGR1F) [4**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**$84.92**4.1★77 rev](https://www.amazon.com/dp/B0CFQX3FYS) [5**JQYDZH for Galaxy S21 Ultra OLED Screen Replacement with Frame and Tools**JQYDZH**$89.06**4.0★24 rev](https://www.amazon.com/dp/B0G4GQMP59)
**~~View all top sellers →~~**
### **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](https://m.media-amazon.com/images/I/51QMueIQylL.jpg)**\[Black with Frame\] 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**$72.61**5 rev1mo ago](https://www.amazon.com/dp/B0H15CXHVZ) [**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**$97.59**4 rev4mo ago](https://www.amazon.com/dp/B0GQL968M8) [**OLED for Samsung Galaxy S21 Ultra Screen Replacement with Frame**KAMOVENITE**$101.22**1 rev5mo ago](https://www.amazon.com/dp/B0GJLKVC5F) [**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**$48.35**1 rev6mo ago](https://www.amazon.com/dp/B0G6YVKF53) [**JQYDZH for Galaxy S21 Ultra OLED Screen Replacement with Frame and Tools**JQYDZH**$89.06**24 rev7mo ago](https://www.amazon.com/dp/B0G4GQMP59)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![[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](https://m.media-amazon.com/images/I/51QMueIQylL.jpg)**\[Black with Frame\] 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**$72.61**3.9★**▲ 256%**](https://www.amazon.com/dp/B0H15CXHVZ) [**OLED for Samsung Galaxy S21 Ultra 5G Screen Replacement for LCD for Samsung S21 Ultra 5G Display for SM-G998U SM-G998b/DS Ddigitizer Replacement Touch Screen Repair Part (Phantom Black)**SRJTEK**$79.07**3.8★**▲ 253%**](https://www.amazon.com/dp/B0FVWPLB4K) [**OLED for Samsung Galaxy S21 Ultra Screen Replacement with Frame**KAMOVENITE**$101.22**5.0★**▲ 239%**](https://www.amazon.com/dp/B0GJLKVC5F) [**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**$97.59**5.0★**▲ 233%**](https://www.amazon.com/dp/B0GQL968M8) [**for Samsung Galaxy S21 Ultra Screen Replacement OLED Display Assembly with Black Frame & Full Repair Tool Kit Easy DIY Installation for SM-G998B SM-G998U - Cracked Screen Fix**Arbilato**$78.76**2.0★**▲ 207%**](https://www.amazon.com/dp/B0G1H85K2M)
**~~View all trending →~~**
## **What buyers say about s21 ultra screen replacement**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**12%
*“Awesome quality”*
**Assembly/Installation**11%
*“Installation was simple”*
**Value For Money**8%
*“It's affordable and works well so far”*
**Display-Overall**8%
*“Nice screen performs”*
**Size-Overall**8%
*“Fits perfectly”*
**Display Resolution**5%
*“everything displays beautifully”*
**Efficiency**5%
*“work perfect”*
**Advertised Vs Actual Product**4%
*“Did the job”*
**Touch/Button Controls**3%
*“smooth touch responsiveness just like the original”*
**Ease Of Use**3%
*“It's been easy to use”*
### **What buyers complain about **
**Quality-Overall**10%
*“which indicates a lack of quality control over the products they sell”*
**Touch/Button Controls**7%
*“touch ID doesn't work”*
**Size-Overall**7%
*“a case will not fit correctly either”*
**Touch Screen**6%
*“after 2 hours of use the screen started to become unresponsive”*
**Functionality-Overall**5%
*“Didn't function well”*
**Assembly/Installation**5%
*“Installation was tedious”*
**Display-Overall**5%
*“the screen cracks on it own”*
**Connectivity-Overall**4%
*“does not make contact all the time”*
**Value For Money**3%
*“A bit expensive than others”*
**Durability**3%
*“Not durable”*
### **Top return reasons **
**Display-Overall**20%
**Size-Overall**11%
**Defective Material/Parts**11%
**Touch Screen**10%
**Functionality-Overall**9%
**Touch/Button Controls**5%
**Compatibility-Overall**5%
**Audio Volume**4%
**Advertised Vs Actual Product**3%
**Assembly/Installation**2%
## **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.
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