### [【Firmware】Changan Deepal S7 S7i DEEPAL OS 3.1 OTA Offline Package](https://www.vwodis.com/en/article/14348.html) **Published:** 2026-11-05T01:46:31 **Author:** admin **Excerpt:** Firmware Info Applicable Vehicle: CHANGAN Deepal S7, De… ### Firmware Info Applicable Vehicle: CHANGAN Deepal S7, Deepal S7i (EREV / BEV) Version: Deepal OS 3.1 Upgrade Method: Official OTA / Local USB upgrade ⚠️ Warning: This is the official factory OTA firmware. Do NOT crack or flash mismatched firmware. Improper flashing may brick the head unit or cause failure of powertrain & ADAS functions. It is recommended to wait for official over-the-air push. All risks of offline flashing shall be borne by the operator. Backup vehicle DTC data before operation. ### Main Release Notes ✅ AI Cabin 1. Optimized personalized driving profile (One Person, One Setup) 2. New AI intelligent energy management for better power consumption control 3. DeepSeek large model upgraded with R1 deep reasoning mode 4. New AI news assistant “Deepal News” for voice news query & broadcast ✅ UI & Interaction 1. New smart Dock bar, switchable between Classic / Smart mode 2. Floating desktop lyrics: draggable, adjustable size, lines and color 3. New home-screen app shortcut cards & music source switch card 4. Optimized tire pressure display; separated color for EV range / fuel range 5. AR-HUD Theme 3 added blind-spot merge assist alert, optimized traffic light countdown UI ✅ Cabin Optimization 1. Extended resume-navigation countdown after locking during navigation 2. U 盘 music playback resume: keep source & progress after power cycle 3. Fog light voice control support; input method updated to Sogou 4. 360 panorama pop-up window can be dragged freely 5. Fixed known bugs including seat ventilation output & tire pressure display in D gear ✅ App Ecosystem New apps available in app store: Smart Sticker, perpetual calendar ### Upgrade Notice 1. Upgrade requirement: Park on flat ground, shift to P gear. Do not drive or cut power during upgrade. 2. Duration: approx 60–80 mins. Screen blackout & reboot multiple times are normal. 3. Schedule overnight auto-upgrade is recommended. Auto rollback is supported if upgrade fails. S7 S7i 3.1 OTA c673-cdc-release\_bigsur\_hqx.1.2.1\_20241225-ota\_all-user-secure-swd.6.48-20250909215346.zip **Tags:** S7 **Categories:** Changan, New Energy Vehicles ---