I made an open-source managed SMS APK with SMS forwarding, etc

I made an open-source APK that directly hosts SMS, with forwarding functionality that can forward to WeChat, DingTalk, Feishu, email, and other channels. It supports dual SIM sending and receiving, batch sending with delayed and scheduled sending, and SMS interception.Sadistic and comicalJie used itXiaomiSMS UI style, open source, free and ad-free, open source address:

[Link] GitHub – 2756826865/…

apkDownloadAddress (123 cloud drive):

[Link] 123 Cloud Drive

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First time setting (important!) )
Step 1: Set SMS as the defaultApplication
InstallationThen open the app. The system will pop up asking if you want to set it as the default SMS app. ClickCosplay funnyConfirmCosplay funny
> Attention Huawei/HarmonyOS users: After setting up, go to the app's "Settings → Background Run Compatible with System" page and check if all three status items are displayed normally. If there is an abnormality, it needs to be connectedComputerFix it with ADB (later on).Tutorial)。
Step 2: Allow permissions
All pop-up permission requests are allowed:
– SMS permissions
– Phone status permissions
– Address book permissions
– Notification permissions
Step 3: Enable background running
Go to Settings → Background Run Compatible with the System, follow the prompts:
Huawei/Honor users:
1. OpenMobile phones"Setting → Apps → App Launch Management"
2. Find this app and turn off "Auto Management"
3. Manual activation: auto-start, association start, background activity
4. Battery optimization set to "Allow background running"
5. Enable lock screen notifications and banner notifications
Xiaomi/Redmi/POCO User:
1. Enable auto-start
2. Set the power-saving strategy to "Unlimited"
3. Allows pop-up interfaces, notifications, and lock screen displays in the background
4. Lock the app in the Recent Tasks screen

4. ConfigurationSMS forwarding
1. Go to the forwarding settings
On the main app interface→ enter the "SMS Forwarding Feature" page
2. Choose the forwarding channel
For example, PushPlus: (forwarded to WeChat)
This free 200 times a day is more than enough
1. Search on WeChat and follow the PushPlus official account
2. Get your token from the official account
3. Return to the app and select the PushPlus channel
4. Enter the token
5. Save and enable it
3. Testing
Use another phone to send you a text message and see if WeChat has received the forwarded message.

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Huawei/HarmonyOS users: If you do not receive the SMS, check the "Background Run and System Compatible" page in the app. If the status is off, you need to connect to your computer's ADB to fix it, as shown in the picture

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If the second option is not com.helyu.smsforwarder, you need to connect to your computer and use ADB to repair it in the computer terminal:adb shell settings –user 0 put secure sms_default_application com.helyu.smsforwarder Return to the app to recheck the status
Otherwise, text messagesUpdateUltra-latency allows for timely messages after setting
Suitable scenarios:
– Backup machine receives verification codes and automatically forwards them to main machines
– The senior device receives a text message that won't work and forwards it to you
– Worried about missing a text message if your company phone is lost at home
6. Common Issues
Q: Didn't receive the forwarded message?
A: First, check whether the backend is running properly, then confirm that the token/webhook in the forwarding channel is correct.
Q: Can't receive the SMS?
A: Huawei/HarmonyOS may have state split issues. Follow step five to fix it.
Q: Will they secretly forward my messages?
A: No, it won't. All forwarding requires you to manually configure and enable channels; forwarding credentials are stored locally and there is no cloud service.
Q: How do I use dual SIM cards?
A: The app supports dual SIM sending and receiving. When sending, you can choose SIM1 or SIM2, and the reception will be automatically recognized.
7. Points to note
– Forwarding messages may contain sensitive information like verification codes; do not forward to untrustworthy groups
– Bulk shipping will incur carrier charges, please be aware
– This project is open source and free of charge, for legal personal use only
– Prohibition of illegal use such as surveillance or harassment
The blogger used HarmonyOS 4.2 to create the modeSadistic and comicalXiaomi doesn't need it if they don't have debugging; theoretically, APKs can be used as well,

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