# FIOS

> FIOS (iPhone/iPad app by Xiamen Sixin IoT Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/fios/id1665828392 (this page in markdown: same URL + `.md`)
- Developer: [Xiamen Sixin IoT Technology Co., Ltd.](https://appshunter.io/developer/1438611291)
- Category: Utilities
- Price: Free
- Age rating: 17+
- Requires: iOS 11.0 · 22 MB
- Languages: English
- Released: 2023-02-05
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/fios/id1665828392/reviews.md

## What is FIOS?

Four-Faith Fault Location System Mobile App is mobile software for indicator installers and maintainers. It is installed on the user's smartphone and allows on-site configuration and viewing of parameters through the fault indicator and the data collected by its DCU.


## Version history (last 3 releases)

### 2.5.6 — 2023-02-13

ui样式调整，本版本为标准版

### 1.0.1 — 2023-02-10

ui界面修改，样式调整

### 1.0 — 2023-02-06

No release notes.

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## More apps by Xiamen Sixin IoT Technology Co., Ltd.

- [四信摄像头](https://appshunter.io/ios/app/id1471504784)
- [瑞智众联智慧消防](https://appshunter.io/ios/app/id1475461540)
- [Four-Faith Sensor Cloud](https://appshunter.io/ios/app/four-faith-sensor-cloud/id6451084198)

All apps by Xiamen Sixin IoT Technology Co., Ltd.: https://appshunter.io/developer/1438611291

## Related topics

[fios home](https://appshunter.io/ios/topics/fios-home) · [fios](https://appshunter.io/ios/topics/fios)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*