NVRAM Files Collection Free Download [Limited Models] 2025

What Is an NVRAM Backup and Why It's Crucial for Samsung, Realme, OPPO, and POCO Users

Have you ever tried fixing an Android device only to find that the IMEI or baseband is missing after a flash? If you're dealing with smartphones like the Samsung A037F, Realme RMX3092, OPPO Reno 6 CPH2251, or POCO C61, there's a critical piece of data you must protect — the NVRAM.

📌 What is NVRAM?

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NVRAM (Non-Volatile Random Access Memory) is a part of your smartphone’s storage where important data is stored — including IMEI, Wi-Fi MAC address, Bluetooth address, and baseband version. This data is crucial for network connectivity.

When you flash a ROM or firmware, especially with SP Flash Tool or custom recovery, this partition can be lost or corrupted. Without NVRAM, your phone may show:

"Invalid IMEI"
"No Service"
No Wi-Fi or Bluetooth
Unknown baseband version

🔍 Samsung A03s (A037F) IMEI Fix

Earlier this year, a local phone repair technician in Mumbai was working on a Samsung A03s (model A037F) that had a corrupted IMEI after a failed OTA update. The phone couldn’t detect the SIM card and displayed "Emergency calls only." Normally, this would require sending the device to Samsung service.

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However, the technician had access to an NVRAM BACKUP.zip.7z file specific to the A037F model.

He used MTK Droid Tools to restore the NVRAM partition, and within 15 minutes:

IMEI was restored
Network was back
Wi-Fi and Bluetooth worked flawlessly

The customer saved time and money, and the technician didn’t need to use any advanced hardware tools like the UFI Box or Z3X.

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📦 Trusted NVRAM Backup Files for Popular Models

If you’re a technician or enthusiast, you should always back up or obtain a verified NVRAM file before flashing firmware. Here are some of the most downloaded and working files: