Replace [YOUR_UNLOCK_CODE] with the code Sony emailed you.
Sony does provide a tool to download for carrier unlocking. This must be handled through your service provider or an unlock code. How to unlock bootloader | Developer World
The short answer: Any website claiming a universal one-click "Sony unlock tool download" for all models (Xperia 1 V, 5 V, 10 VI, etc.) is lying. Modern Sony phones have additional security layers like S1 bootloader security. The only way is the official Fastboot method.
Replace [YOUR_UNLOCK_CODE] with the code Sony emailed you.
Sony does provide a tool to download for carrier unlocking. This must be handled through your service provider or an unlock code. How to unlock bootloader | Developer World sony unlock tool download
The short answer: Any website claiming a universal one-click "Sony unlock tool download" for all models (Xperia 1 V, 5 V, 10 VI, etc.) is lying. Modern Sony phones have additional security layers like S1 bootloader security. The only way is the official Fastboot method. Replace [YOUR_UNLOCK_CODE] with the code Sony emailed you