The device will check the Vivo Support servers for the 2.70.8 package. Download and follow the prompts to install. Method B: Manual Flashing (Advanced) Vivo Y81, Y81i, Y81 (1808) PD1732F & PD1732CF Flash file
If your device was previously on a different firmware branch (like Vodafone branded firmware), flashing "EX-A" (often generic or alternate carrier firmware) may change the UI layout or unlock features, but it carries a risk of breaking carrier-specific features (like VoLTE or Carrier Aggregation optimizations) if the baseband configuration conflicts. pd1732f-ex-a-2.70.8
: Funtouch OS, originally based on Android 8.1 Oreo. 2. Understanding the Version Code PD1732F : Hardware model ID for the The device will check the Vivo Support servers for the 2