Recently, quite a few vivo/iQOO users have noticed that many modules that rely on ADB,Script、OptimizationToolsSuddenly, it "doesn't work."

On the surface, it looks like a broken module or a failed command execution. But the reality is a bit more complicated: many commands appear to execute successfully, but in reality, the system no longer accepts these modifications.

Here, I will briefly discuss several key issues currently encountered.
Settings put syntax is now basically invalid
Previously, many ADB modules used commands like the following to modify the system settings table:
settings put system xxx xxx
settings put secure xxx xxx
settings put global xxx xxx
This approach used to be very useful—fast execution, simple compatibility, and many SetEdit entries can be written this way.

But now there are obvious limitations on vivo's system:
settings put …
The command line may appear to be free of errors and may even give the impression of "execution successful."
But the problem is: the system may simply ignore this write.

In other words, it is not a traditional failure, it may not return an error or indicate insufficient permissions, but rather that it is executed superficially and the actual value is not actually adopted by the system.

This is also why many modules are now appearing:

The script is finished
The software prompted success
ADB did not report any obvious errors
But the functionality hasn't changed at all

The fundamental reason is that the settings put path is no longer reliable.
setprop is not something you can use casually with ordinary ADB permissions

There is also a type of module that will attempt to pass:

setprop xxx xxx

to modify system properties.
But the problem with this solution is also obvious: many props require system-level permissions

Ordinary ADB shell permissions are not the same root, and it does not equal system privileges.
Therefore, some setprops involving system behavior, debug switches, and vendor properties are not actually authorized to be modified by ordinary ADB.

Some attributes can be written temporarily, some are directly rejected, and some are written without affecting the target logic. Especially as vendor systems become increasingly strict, relying on ordinary ADB to change system attributes is basically not a stable solution.

Simply put:
The adb shell only gains shell user privileges, not universal permissions. Whether setprop works depends on specific properties, SELinux policies, system permissions, and vendor restrictions.
To bypass settings put, you can go to Content Provider

If the goal is to modify SetEdit-related tables without relying on the expired 'settings put', the most feasible approach currently is to operate using the Content Provider syntax.

It's roughly like this kind of thinking:
content insert
content update
content query

This means you no longer use the settings put layer for encapsulation, but instead directly operate on the corresponding data through the system's exposed provider interface.

This method is more fundamental than 'settings put' and can indeed bypass the ignored issue of 'settings put' in some scenarios.

But it also has a clear drawback: slowness

Especially when writing many SetEdit entries in batches, if each item is executed one by one:
content update
content update
content update

The speed will be very slow, and the user experience will noticeably deteriorate.

Software developers can speed up by using multiple shell threads
If it's a regular user who runs manually, then even if it's a bit slower, you just have to tolerate it.
But if it's tool-type software, ADB module manager, automation,Configurationsoftware, and it is recommended that developers stop executing large numbers of 'content' commands one by one in a single thread.
You can consider using multiple shell threads to execute concurrently, for example:
Multiple 'adb shell' sessions handle different configuration items in parallel, grouping them and writing them by thread, reducing the overhead of starting the shell separately for each command, and verifying execution results rather than just checking whether the command returned successfully
This can significantly improve batch write speed.
However, concurrent threads should also be controlled accordingly; it's not recommended to mindlessly run dozens or even hundreds of threads.
Too many threads may actually harm the systemLagCommand blocking, and even abnormal provider responses.

A more reasonable approach is to build a thread pool, for example, 4 to 8 shell threads, dynamically adjusted according to device performance.

Now, judging "success" cannot be based solely on the command return value
This is currently the most common pitfall.
Previously, many modules had a simple way to check success: sh
settings put xxx
As long as the command is correct, it is considered successful.
But now, such judgments are no longer enough.
A safer approach should be:

1. Write the target value
2. Read the current value again
3. Compare whether the changes are genuine
4. Retry or switch the write method if necessary
For example:
settings get global xxx
content query …

Only if the value read back truly meets expectations can the modification be considered successful. Otherwise, the software may show "Enabled" but the system is actually not turned on at all.
Currently, many ADB modules on vivo/iQOO are failing, not necessarily due to author code errors, but rather because the system has tightened restrictions on related interfaces.
It can now be roughly summarized as:
'settings put': Appears successful but may actually be ignored by the system
'setprop': Many projects require system/root permissions, which ordinary ADB cannot handle
'content provider': currently relatively feasible, but execution speed is slow
Batch write: It is recommended that software developers use multiple shell threads to improve speed
Success check: You must read back the validation; you can't just check if the command has errors
Therefore, if you want to continue adapting these tools to vivo in the future, the core approach should shift from "direct settings put" to "provider write + result validation + concurrency optimization."
This is not a problem with individual modules, but rather that after system policy changes, the old solution becomes unstable overall.

If you are a developer and don't want to write too much content syntax, you can use kbattery. In the new version, kbattery can convert the settings put syntax
Here are some recommendations:
9 delete 92⛰️9 delete 2 delete 26⛰️45
I hope relevant developers can quickly adjust their implementation, and I also hope that ordinary users won't immediately assume the author is just giving up when they see a module fail. Often, it's not that commands aren't executed, but that the system no longer recognizes this approach.