# MAPSV6- User Manual
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General users can skip to the [Quick installation guide](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/installation-method-boot-and-operation-process). \
This chapter will walk through the setup process in detail.
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you can change language from here: [Chinese](https://maps6-user-guide.gitbook.io/mapsv6-manual-book-zh/) / [English ](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/master)/ [Japanese](https://maps6-user-guide.gitbook.io/maps6-manual-book-jp/)
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## Catalog
1. [Project description](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/untitled)
2. [Hardware introduction](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/untitled-1)
3. [Design architecture](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/untitled-2)
4. [installation and device setting](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/installation-method-boot-and-operation-process)
5. [Boot and operation process](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/untitled-4)
6. [Data format](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/untitled-5)
7. [Data application](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/data-application)
8. [Error recovery](https://maps6-user-guide.gitbook.io/maps6-manual-book-en/error-recovery)
## To Do List:
* [x] ~~Wi-Fi connection problem (might related to SPI system)~~
* [ ] The problem of string disappearing in NB-IOT communication
* [ ] temperature calibration
* [x] ~~TVOC display~~
* [ ] Output 0 when the read value is wrong (change to -1 or not send)
#### Enhance:
* [ ] time zone setting
* [ ] Add local configuration file (for GPS/time zone/mode.etc)
* [ ] Personalized LAN Dashboard GPS location setting
* [ ] NB-IOT automatically adjusts providers
* [ ] Data transfer calculation
* [ ] Screen display enhancement and adjustment
### Version Update Record:
| Version code | Explanation | Other supplements | Current online version |
| ------------ | ---------------------------------------------------- | ------------------------------------------------- | ---------------------- |
| 0.0.1 | initial version | No update system and watchdog | |
| 0.0.2 | Minimum version | Added WI-FI settings | |
| 0.0.3 | Add external SD card | SD card and WI-FI conflict issues | |
| 6.0.0 | Released version | Solve major issues,
stable release
| |
| 6.0.2 | Modify some mechanisms/improve efficiency | Support UART interface | |
| 6.0.3 | Add NB-IOT plug-in | problem of missing buffer | |
| 6.0.4 | WiFi will not reconnect when disconnected | Currently it just use a workaround | |
| 6.0.5 | Add individual configuration | GPS/time zone/name | |
| 6.0.6 | Adjust the display | Display TVOC | |
| 6.1.0 | Major update
(integrate V6.0.3 \~ 6.0.6)
| | |
| 6.1.1 | Stable release /Resolved upload & archive issues | may have crashes and incomplete records on device | <------here------ |
| 6.1.2 | Process check/restart
Add 4G-LTE support
| (not enough power on board for SIM7600) | |