Samsung Galaxy S21 Ultra — AI Deals (US) https://topsby.ai/us/galaxy-s21-ultra-deals-today/ AI-curated top picks, updated daily Fri, 24 Apr 2026 08:00:09 GMT #1: Samsung Galaxy S21 Ultra 5G 128GB SM-G998U FACTORY UNLOCKED CDMA + GSM EXCELLENT — $235.48 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-1 Excellent - Refurbished | $235.48 | Ranked #1 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|116057991171|416228968679_us_2026-04-24T06:30:01Z #2: Samsung Galaxy S21 Ultra 5G SM-G998U Unlocked 128GB Phantom Black C — $187.99 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-2 Used | $187.99 | Ranked #2 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|176486306107|0_us_2026-04-24T06:30:01Z #3: Samsung Galaxy S21 Ultra 5G 128GB G998U Unlocked (Verizon, AT&T, Tmobile exc..) — $220.00 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-3 Used | $220.00 | Ranked #3 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|127816089818|0_us_2026-04-24T06:30:01Z #4: Samsung Galaxy S21 Ultra 5G Phantom Black 128GB Unlocked - Good w/ Burn In — $184.84 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-4 Used | $184.84 | Ranked #4 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|298110400256|0_us_2026-04-24T06:30:01Z #5: Samsung Galaxy S21 Ultra 5G SM-G998U Unlocked 128GB Phantom Black B Medium Burn — $185.64 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-5 Used | $185.64 | Ranked #5 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|176486959068|0_us_2026-04-24T06:30:01Z #6: Samsung Galaxy S21 Ultra 128GB (Verizon Unlocked) fair good used - MEDIUM BURN — $183.00 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-6 Used | $183.00 | Ranked #6 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|298254528707|0_us_2026-04-24T06:30:01Z #7: Samsung Galaxy s21 Ultra 5g/Unlocked — $250.00 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-7 Used | $250.00 | Ranked #7 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|318188159339|0_us_2026-04-24T06:30:01Z #8: Samsung Galaxy S21 Ultra 5G SM-G998U 512GB ROM Factory Unlocked Boxed — $279.80 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-8 Used | $279.80 | Ranked #8 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|157752411192|459189208892_us_2026-04-24T06:30:01Z #9: Samsung Galaxy S21 Ultra 5G SM-G998U1 128GB 256GB 512GB Unlocked Very Good — $274.95 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-9 Very Good - Refurbished | $274.95 | Ranked #9 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|355617812180|624734902048_us_2026-04-24T06:30:01Z #10: Samsung Galaxy S21 Ultra 5G G998U Unlocked Verizon AT&T Cricket Mint T-Mobile B — $249.99 https://topsby.ai/us/galaxy-s21-ultra-deals-today/#item-10 Very Good - Refurbished | $249.99 | Ranked #10 by AI Fri, 24 Apr 2026 06:30:01 GMT v1|257469629787|558123593558_us_2026-04-24T06:30:01Z