The Call Touch C398 stock firmware is the official operating system package for tablets running board ID S108-7730-D2(162)-V1.0. This firmware build — SP5735C2EA_scx35_sp5735c2ea_4.4.2_s7180a — runs on Android 4.4.2 (KitKat) and is powered by a Spreadtrum (SPD) CPU, using .PAC format firmware compatible with SPD Research Download Tool.
⚠️ Important: This firmware is only compatible with tablets running board ID S108-7730-D2(162)-V1.0. Flashing on a different board ID will brick your device. Verify your board ID on the label inside the back cover or on the original packaging.
Why Do You Need to Flash the Firmware?
Flashing the official Call Touch C398 firmware is the recommended solution for the following problems:
- Hang on Logo / Bootloop — Tablet stuck on boot screen or restarting endlessly
- Dead device recovery — Revive a completely unresponsive tablet after a failed flash
- IMEI Null / Baseband Unknown — Restore network and SIM identity
- Forgotten password / screen lock — Regain access to a locked device
- Auto-installing apps — Stop unwanted background app installations
- Virus infection — Clean wipe removes malware including monkey and sexy virus
- FRP / Google Account lock — Bypass Factory Reset Protection
- System & app errors — Fix crashes and OS-level bugs
Firmware Details
| Property | Details |
|---|---|
| Device Name | Call Touch C398 |
| Board ID | S108-7730-D2(162)-V1.0 |
| Firmware Build | SP5735C2EA_scx35_sp5735c2ea_4.4.2_s7180a |
| Android Version | Android 4.4.2 (KitKat) |
| CPU | Spreadtrum (SPD) |
| Firmware Format | PAC |
| Compatible Tools | SPD Research Download Tool, CM2, Factory Download Tool |
| File Password | getgsmtips.com |
Download Firmware
| Build | Download |
|---|---|
| SP5735C2EA_scx35_4.4.2_s7180a_C300 | Mega / Google Drive |
File Password: getgsmtips.com
Requirements Before You Begin
- ✅ Spreadtrum (SPD) USB Driver — installed on your PC
- ✅ SPD Research Download Tool (latest version) — installed on your PC
- ✅ Windows XP / 7 / 10 PC
- ✅ Good quality USB cable (original or braided recommended)
- ✅ Full backup of all personal data (photos, contacts, files)
- ✅ This firmware is only compatible with Call Touch C398 board ID (S108-7730-D2(162)-V1.0)
How to Flash Stock ROM on Call Touch C398
Follow these steps carefully using SPD Research Download Tool:
Step 1 – Download the firmware file and extract it to a folder on your PC using WinRAR or 7-Zip.
Step 2 – Download and install the SPD USB Driver on your PC.
Step 3 – Download and extract the SPD Research Download Tool to a folder on your PC.
Step 4 – Open the ResearchDownload Tool application.
Step 5 – Click Load Packet and navigate to your extracted firmware folder. Select the .PAC firmware file.
Step 6 – Wait for the PAC file to load completely into the tool.
Step 7 – Power off your Call Touch C398 tablet completely.
Step 8 – Connect the tablet to your PC via USB cable. The tool will automatically detect the device and begin flashing.
Step 9 – Click the Start button and wait for the process to complete. Do not disconnect the tablet during flashing.
Step 10 – Once finished, a success notification will appear and your tablet will reboot automatically. Your Call Touch C398 is now fully restored!
💡 Tip: If the tool does not detect your tablet, reinstall the SPD USB Driver and try a different USB port (prefer USB 2.0 over USB 3.0 for SPD devices).
Related Firmware & Guides
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💡 Pro Tip: Bookmark GetGsmTips.com for the latest tablet and smartphone firmware downloads, free flash tools, and step-by-step mobile repair guides — updated regularly.