Since iOS has stricter sandboxing (unless you use iMazing), Android is the primary platform for save editing. Here is the generic workflow for the editors:

Disconnect your device from the internet (turn on Airplane Mode) before launching the game for the first time after the edit. This prevents the EA cloud servers from instantly overwriting your modified local file.

/Android/data/com.ea.game.pvz2_row/files/No_Backup/[latest_CDN]/levels Trigger Reward

Good for advanced users who want precise control over every byte.

To help find the safest tool for your specific setup, let me know:

: The game must be completely shut down via the device's application settings.

: On Android, the save file is located at /android/data/com.ea.game.pvz2_row/files/No_Backup/pp.dat .

: Open up every world without playing previous levels.

Android users and technical players.

Online Save Editor PVZ2 Top: The Ultimate Guide to Modifying Your Game

Edit your values (e.g., set gems to 999,999). Avoid entering impossibly high numbers like 999,999,999,999, as integer overflows can crash the game. Download the newly modified pp.dat file. Step 4: Overwrite and Launch

: If you want to lower values (like plant levels), you may need to clear your game data/cache before the game recognizes the changes. Plants vs Zombies 2 Online Save Editor

offers a tool simply called "存档编辑器" (Save Editor).

: Unlocking every costume and plant, even those hidden behind years of seasonal events. The Conflict: The Grind vs. The Fun

Add rare and seasonal plant cosmetics to your profile. How to Locate and Edit Your pp.dat File

Which specific are you trying to unlock?

You will need a file manager app (like ZArchiver or CX File Explorer) to find the file on Android. For iOS devices, this typically requires a jailbreak or a computer-based file manager like iMazing.