itel S25 Ultra Teardown: Premium Build on a Budget Revealed

Inside itel S25 Ultra: Budget Phone, Premium Surprises

When budget phones promise flagship features like curved AMOLED displays and 16GB RAM, skepticism is natural. After disassembling the itel S25 Ultra myself, I discovered surprising truths that challenge price expectations. This analysis reveals whether its "Ultra" branding reflects genuine engineering or marketing hype.

Build Quality and Component Analysis

The disassembly process revealed thoughtful engineering uncommon in this price segment:

• Surprisingly organized internals with dedicated compartments for key components
• Authentic 5,000mAh battery confirmed through physical inspection
• NFC implementation uses a discrete module (uncommon under ₹15,000)
• Dual speaker setup with independent chambers for clearer audio separation
• Dedicated microSD slot maintains dual SIM functionality - a rarity

The motherboard layout shows professional assembly. Unlike many budget devices, there's no visible component crowding or adhesive shortcuts. Thermal paste application was adequate for the UniSoC T620 chipset, which benchmarks show scores 323,940 in AnTuTu. While not flagship-level, this aligns with real-world performance expectations.

Display and Durability Insights

itel's 3D curved AMOLED claims hold up under scrutiny:

• Corning Gorilla Glass protection was verified through supplier documentation
• 500Hz touch sampling rate confirmed via touch testing apps
• 99% DCI-P3 coverage matches premium display characteristics
• 600-nit brightness tested in controlled lighting conditions

The curved display assembly uses proper gasketing. However, the rear adhesive showed weak bonding strength during reassembly - a common cost-saving measure. I recommend using the included case for added protection.

Performance and Value Assessment

Benchmark testing reveals practical capabilities:

• Geekbench 6: 494 (single-core), 1,569 (multi-core)
• 30-minute video drain: 4% at 720p
• Social media usage: 4% drain per 30 minutes
• RAM management: 8GB physical + 8GB virtual expansion

The UniSoC T620 handles daily tasks smoothly but struggles with sustained gaming. Camera tests show the 32MP front camera outperforms the dual rear setup (main + depth sensor). The third camera housing is decorative - a common industry practice at this price.

Actionable Takeaways

1. Verify display claims: Run touch sampling tests immediately after purchase
2. Enhance protection: Apply the included curved screen protector first day
3. Storage expansion: Utilize the dedicated microSD slot for media files
4. Battery care: Avoid full discharges to maintain 5,000mAh capacity
5. Adhesive check: Monitor back panel adhesion monthly

Recommended Tools:

• CPU Throttling Test (free): Monitor thermal performance during gaming
• Touch Screen Test (free): Verify touch responsiveness
• AccuBattery: Track real battery health over time

Final Verdict

The itel S25 Ultra delivers unprecedented value with verified premium features. Its AMOLED display and dedicated NFC are genuine, while build quality exceeds price expectations. The biggest surprise? Internal organization rivals phones costing three times more. Though camera capabilities and chipset power have expected limitations, this device redefines budget segment possibilities.

Which feature would most convince you to choose this phone? Share your priority below!