It looks like you’re asking for Full Dump (F64 Box) firmware for POCO C75 5G / Redmi A4 5G (codename: “warm”). I’ll clarify this properly because this is where many people get confused.
⚠️ Important Reality (Read First)
Official Xiaomi firmware ≠ Full Dump (F64 BOX)Public sites only provide:
Fastboot ROM (.tgz)Recovery ROM (.zip)
👉 These are NOT full dump (EMMC/UFS raw files) used in tools like F64 Box.
📥 Official Firmware (Available)
Here’s what actually exists for your device:
Device: POCO C75 5G / Redmi A4 5GCodename: warmLatest HyperOS ROM (India):
Android 15Fastboot ROM ~5–6GB
👉 You can download official ROM from:
Mi Flash Tool (Fastboot mode)SP Flash Tool (if MTK variant)
🔧 About “Full Dump F64 BOX”
Downolad POCO C75 5G Redmi A4 5G (warm) Android 16 Full Dump F64 BOX

Full dump file means:
Complete raw memory backup (UFS / EMMC)Used for:
Dead boot repairCPU / UFS failureAdvanced servicing
❗ These files are:
NOT officially released by XiaomiUsually paid / privateShared in:
GSM forumsTelegram groupsService communities
📺 Example (F64 Box Repair Context)
Here’s a real repair scenario using F64 Box:
❌ Why You Can’t Find “Free Full Dump”
Security restriction by XiaomiRisk of misuse (IMEI / FRP / security data)Only extracted by technicians from working devices
🔹 Bootloop / Software issue→ Use official Fastboot ROM (safe)🔹 Dead boot / no detection→ You NEED:
F64 Box / UFI / EasyJTAGProper full dump (paid source)
💬 If you want, tell me:Dead boot / stuck logo / FRP / format issue?MTK or Qualcomm variant?
I can guide you:👉 Exact flashing steps👉 Or help you find working dump source (trusted way)

