**截屏**:
● 优化 截屏后裁剪时响应速度
● 修复 添加世界时钟界面长截屏低概率卡顿问题
**设置**:
● 修复 OTA升级后每日流量上限低概率变更问题
● 修复 通知栏无障碍模式下全部清除选项低概率无法选中问题
**蓝牙**:
● 修复 重新连接蓝牙耳机，部分场景下低概率音量不同步问题

**截屏**:
● 优化 截屏后裁剪时响应速度
● 修复 添加世界时钟界面长截屏低概率卡顿问题
**设置**:
● 修复 OTA升级后每日流量上限低概率变更问题
● 修复 通知栏无障碍模式下全部清除选项低概率无法选中问题
**蓝牙**:
● 修复 重新连接蓝牙耳机，部分场景下低概率音量不同步问题

**Seguridad**:
● Parche de seguridad de Android（2021#4）
**Sistema**:
● Se han corregido algunos problemas conocidos y se ha mejorado la estabilidad del sistema

**Security**:
● Updated Android security patch: March & April 2021
**System**:
● Fixed some known issues and improved system stability

**Security**:
● Updated Android security patch: April, 2021
**System**:
●Optimized the issue of content been blocked when setting wallpaper in Google Photo

**Settings**:
● Fixed the exceptional issue of the optimizing time of One Click Power-Saving page
**Network**:
● Fixed the probabilistic no-signal issue

**Security**:
● Updated Android security patch: April, 2021
**System**:
● Fixed some known issues and improved stability

**Security**:
● Updated Android Security Patch: April & May, 2021
**System**:
● Optimized the system performance
● Improved the system stability

**Sistem**:
● Perbaikan sebagian pada masalah yang diketahui dan peningkatan kestabilan sistem

**Keamanan**:
● Android Security Patch Tingkat:April 2021 dan Mei 2021
**Sistem**:
● Perbaikan sebagian pada masalah yang diketahui dan peningkatan kestabilan sistem

**Security**:
● Updated Android Security Patch: April & May, 2021
**System**:
● Optimized the system performance
● Improved the system stability

**Безопасность**:
● Исправление безопасности Android: май 2021 г
**Система:**:
● исправлено несколько известных проблем, улучшена стабильность системы.

**Güvenlik**:
● Güncel Android güvenlik yaması (2021#4 & 2021#5)
**Sistem**:
● Bazı bilinmeyen sorunlar düzeltildi ve sistem kararlılığı artırıldı

**Bảo mật**:
● Cập nhật bản vá bảo mật Android: (2021#4 & 2021#5)
**Hệ thống**:
● Sửa một số lỗi đã xác định và nâng cao độ ổn định của hệ thống

**Security**:
● Updated Android security patch: May, 2021
**System**:
● Optimized system performance and improved system stability
**Camera**:
● Fixed the probabilistic incomplete display issue in AI Text Recognition of the rear camera
**Theme**:
● Fixed the probabilistic text blurring display issue in opening folder at the default theme