🔹Key Specifications Global/Indian variant typical configuration)

The vivo S1 Pro is a mid-range smartphone launched by vivo in April 2019, primarily targeting the youth and selfie-focused market—part of vivo’s “S” series known for strong front cameras and stylish design.

• Display:

  • 38-inch Super AMOLED display
  • FHD+ resolution (1080 × 2340 pixels)
  • Waterdrop notch (for front camera)

• Processor:

  • Qualcomm Snapdragon 675 (11nm, octa-core: 2×Kryo 460 Gold @ 2.0 GHz + 6×Kryo 460 Silver @ 1.7 GHz)
  • Adreno 612 GPU

• Memory & Storage:

  

  • 8 GB RAM
  • 128 GB internal storage (non-expandable via microSD — no card slot)

• Cameras:

  • Rear Triple Camera:
    • 48 MP main (f/1.79, Quad Bayer, pixel-binning to 12 MP)
    • 8 MP ultra-wide (120° FOV, f/2.2)
    • 5 MP depth sensor (f/2.4)
  • Front Camera:
    • 32 MP (f/2.08, 1/2.8", pixel-binning to 8 MP for better low-light performance)
    • AI-powered beautification, Super Night Selfie mode

• Battery & Charging:

  • 3700 mAh non-removable battery
  • Supports 18W Dual-Engine Fast Charging (vivo’s proprietary fast charging; includes charger in box)

• OS & Software:

  • Launched with Funtouch OS 9 (based on Android 9 Pie)
  • Later received update to Funtouch OS 11 (Android 11) in some regions — but official Android updates were limited and region-dependent
  • ❗ No guaranteed long-term OS or security update support (typical for vivo’s 2019 lineup)

• Design & Build:

  • Glass front + plastic back (gradient color options like Glowing Blue, Glowing Black)
  • In-display fingerprint sensor (optical)
  • Face unlock support

• Connectivity:

  • Dual SIM (Nano + Nano), VoLTE, Wi-Fi 802.11ac, Bluetooth 5.0, GPS, USB Type-C
  • ❌ No NFC (in most variants)

✅ Pros:

• Excellent front camera for selfies & video calls
• Vibrant AMOLED display
• Sleek, premium-looking design
• Smooth performance for daily use & light gaming
• Fast charging included

❌ Cons:

• No microSD expansion
• Plastic back (feels less premium vs. glass-backed rivals)
• Limited software update support
• Average low-light rear camera performance (despite 48 MP sensor)
• No IP rating for water/dust resistance

💡 Note on Availability:

• The S1 Pro was not released globally — it was mainly sold in India, Southeast Asia, and select emerging markets.
• It was succeeded by the vivo S6 (2020) and later S-series models (e.g., S10, S17).
• As of 2024, it's discontinued and no longer sold officially — only available via second-hand or refurbished channels.

Let me know if you'd like:

• A comparison with similar phones (e.g., Realme X2, Samsung Galaxy A50),
• Tips for optimizing camera or battery life,
• Help troubleshooting common issues (e.g., fingerprint sensor not working, slow charging), or
• Info on custom ROMs or rooting (⚠️ caution advised).

Happy to help! 😊