Technical Support Manual

I. Manual Introduction

Welcome to BluChaCha (hereinafter referred to as “this application”).

This Technical Support Manual (hereinafter referred to as “this manual”) explains the scope of supported functions, system and permission requirements, troubleshooting methods for common problems, and contact information for technical support, facilitating quick location and resolution of issues during use.

II. Product Function Overview

Based on the current version’s capabilities, this application primarily provides the following short-range communication functions:

• Discover nearby devices

• Create or join nearby chat rooms

• Send and receive text messages

• Conduct short-range voice communication

• Conduct short-range video communication

• Share location information in a conversation

The core capabilities of this application are implemented based on Bluetooth Short Range Direct, without relying on a remote internet server as the primary communication channel.

III. Support Scope

Our current technical support scope includes:

• Application installation, startup, and basic usage issues

• Bluetooth discovery, room creation, room entry, and message sending/receiving issues

• Troubleshooting common problems with voice, video, and location sharing functions

• Explanation of permission authorization issues

• Explanation of known compatibility issues and version update recommendations

The following issues are generally not directly covered by this manual:

• Abnormalities caused by aging device hardware, system limitations, or third-party system settings

• Abnormalities caused by users disabling necessary permissions, disabling Bluetooth, restricting location services, or restricting camera/microphone access

• Connection quality issues caused by extreme wireless interference, excessive distance, or severe obstruction

• Issues caused by modified devices, jailbroken devices, unofficial system environments, or abnormal debugging environments

IV. System and Device Requirements

To ensure the application functions properly, we recommend that you meet the following conditions:

• Use a supported iPhone or iPad device

• Use an iOS version that can run this application normally

• Bluetooth on your device is enabled

• Grant microphone permission when using the voice function

• Grant camera permission when using the video function

• Grant location permissions when using location sharing.

If the relevant system capabilities are not enabled, some functions of this application will be unavailable or only partially available.

V. Permission Description

This application may request the following permissions:

• Bluetooth Permission Used to discover nearby devices, establish direct connections, and conduct messaging, voice, video, and location sharing sessions.

• Microphone Permission Used for voice communication.

• Camera Permission Used for video communication.

• Location Permission Used for location sharing and map display.

If you previously denied permissions, please check as follows:

1. Open iOS “Settings”

2. Go to the app’s details page

3. Check if Bluetooth, microphone, camera, and location permissions are enabled.

VI. Common Issues and Troubleshooting Suggestions

1. Unable to discover nearby rooms or devices

Please check the following in order:

• Are Bluetooth enabled on both devices?

• Are both devices running the app and on the relevant page?

• Are the two devices too far apart?

Is there strong wireless interference nearby?

Is iOS restricting Bluetooth permissions?

If the room doesn’t appear immediately after creation, it’s recommended to exit the current page and re-enter the scanning page to confirm that the room owner’s device remains discoverable in the room.

2. Rooms can be found, but cannot be joined

Please check:

• Is an access password set for the room?

• Is the entered room password correct?

• Is the host’s device still online?

• Has the host’s device ended the current session or entered another occupied state?

If the host has left or the Bluetooth connection has been interrupted, member devices may not be able to join or maintain the session.

3. Text messages fail to send or are not displayed

Please check:

• Is the Bluetooth connection still maintained?

• Has the host or the other device left?

• Has the application been in the background for an extended period?

• Are there any system-level restrictions on Bluetooth communication?

If the problem persists, it is recommended that both parties leave the current room and re-establish the connection.

4. No Voice, Low Volume, or Intermittent Voice

Please check the following first:

• Is microphone access enabled?

• Is the device volume turned up?

• Are Bluetooth headphones, speakers, or other peripherals connected, causing changes in audio routing?

• Is the distance between the two devices and the Bluetooth connection quality stable?

Because this application’s voice communication is based on a low-bandwidth, short-range link, stuttering, delays, or short-term interruptions may occur when the signal is poor or the link is congested.

5. Video Won’t Play, Stutters, or Interrupted

Please check the following first:

• Is camera access enabled?

• Are both devices in a stable connection state?

• Are there high frequencies of simultaneous video, voice, and text transmissions?

• Is the device overheating, experiencing memory shortages, or insufficient system resources?

When the short-range wireless link is under heavy load, the video may proactively reduce its smoothness or drop frames to prioritize overall stability.

6. Location sharing fails to show members or map doesn’t update

Please check:

• Is location permission authorized?

• Is system location service enabled?

• Has the other party entered the location sharing page?

• Has the other party left the location sharing session?

If a member leaves the page or disconnects, their status on the map may change to offline instead of disappearing immediately.

7. Abnormal status after leaving a room or session

If the page still displays the old member or session status after leaving, or if you cannot immediately return, we suggest:

• Return to the previous page first.

• Re-enter the room list or homepage.

• If the problem persists, completely close and reopen the application.

If the other device is disconnected, the current device’s status synchronization may require waiting for the system Bluetooth callback to complete before refreshing.

VII. Known Usage Restrictions

Please understand that this application has the following usage restrictions:

• Primarily suitable for real-time communication between devices in close proximity.

• Bluetooth bandwidth is limited; simultaneous voice, video, and location sharing may affect the experience.

• Video functionality may experience reduced frame rate or discontinuous playback under heavy network load.

• Different device models, system versions, and permission statuses may cause differences in user experience.

• Communication quality may degrade under strong system restrictions, background switching, screen lock, low power mode, or peripheral switching scenarios.

VIII. Suggested Information for Problem Reporting

To improve troubleshooting efficiency, please provide the following information when contacting technical support:

• Device model

• iOS version

• Application version number

• Time of problem occurrence

• Steps to reproduce the problem

• Description of the problem

• Whether Bluetooth, voice, video, or location sharing is involved

• Whether the problem can be reproduced on both devices

If it is safe to provide this information, you may also attach screenshots or screen recordings, but please do not submit sensitive personal information, private chat content, or unauthorized location data.

IX. Technical Support Contact Information

If you encounter any problems that you cannot resolve yourself during use, please contact us through the following methods:

• Contact Email: messkody@gmail.com

X. Version Updates and Manual Updates

We may update this manual based on product feature adjustments, compatibility changes, legal and regulatory requirements, or technical support procedures. The updated version will be stored in the same document directory or relevant distribution channels as the user agreement and privacy policy.

If there are any discrepancies between this manual and the actual product functionality, the latest released version, the latest agreement text, and the actual available functions shall prevail.