---
title: "C315 Firmware"
slug: "c315-firmware"
updated: 2026-07-01T02:13:28Z
published: 2026-07-01T02:13:28Z
canonical: "knowledge.akuvox.com/c315-firmware"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://knowledge.akuvox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# C315 Firmware

[C315 Release Firmware (Click to download)](https://maintenance.akuvox.com/firmware/release/stable?model_name=C315) **Version:** 115.30.10.40 **C315 Beta Firmware** **Version:** 115.30.10.40

---

## Release Notes

### Version: 115.30.10.40 (Release)

**Release Date:** May 11, 2026 **Supported SmartPlus Version:** V7.0

#### Optimization

- Improved Polish translations.

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### Version: 115.30.10.37 (Beta)

**Release Date:** March 24, 2026 **Supported SmartPlus Version:** V7.0

#### Fixed Bug

- Fixed a monitor issue.

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### Version: 115.30.10.36 (Beta)

**Release Date:** July 24, 2025 **Supported SmartPlus Version:** V7.0

#### Fixed Bug

- Fixed instability when sending multiple HTTP unlock requests.

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### Version: 115.30.10.33 (Beta)

**Release Date:** November 29, 2024 **Supported SmartPlus Version:** V7.0

#### Fixed Bugs

1. Fixed hardware issue where cause port data is unstable.
2. Fixed a SIP issue.

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### Version: 115.30.10.30 (Beta)

**Release Date:** August 29, 2024 **Supported SmartPlus Version:** V6.7

#### Fixed Bugs

1. Fixed an issue where the screen stuck during a call, and buttons are unresponsive.
2. Fixed an issue where the remote relay HTTP button only triggered index 1.

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### Version: 115.30.10.25 (Beta)

**Release Date:** May 27, 2024 **Supported SmartPlus Version:** V6.7

#### New Feature

- Added "skip all autop" command to preserve Autop configurations when the end user applies new initialization settings.

#### Optimization

1. Optimized bulk deployment of Autop.
2. Optimized login interface of device web portal.

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### Version: 115.30.10.24 (Beta)

**Release Date:** May 27, 2024 **Supported SmartPlus Version:** V6.7

#### New Feature

- The language of web page can be synchronized with browser setting automatically.

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### Version: 115.30.10.21 (Beta)

**Release Date:** April 30, 2024 **Supported SmartPlus Version:** V6.7

#### New Feature

- Forced to change password upon first login to the web interface.

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### Version: 115.30.10.18 (Release)

**Release Date:** March 25, 2024 **Supported SmartPlus Version:** V6.7

#### Fixed Bugs

- Updated daylight saving time.