LANRUI V587 One-Click DFU Mode Engineering Box for iPhone and Samsung

Shops that handle both iPhones and Samsung phones spend a surprising amount of time on button combinations: DFU and Recovery on one side, Download mode on the other, each with its own timing. The LANRUI V587 puts those modes behind single presses.

The V587 is an engineering box from LANRUI. The listing says it enters iPhone DFU mode and Recovery mode, Samsung Download mode, and performs a force restart, all with one-click control. It doesn't state which iPhone or Samsung models are supported or how the box connects to the phone.

When the V587 saves time

• An iPhone stuck in a boot loop or on the Apple logo.

• A failed iOS update that needs a restore.

• A Samsung phone that needs Download mode for firmware work.

• Phones with broken or worn buttons that make key combinations impossible.

Before you restore

Entering a mode is the easy part. A full restore in DFU or Recovery mode erases an iPhone, and firmware work in Download mode can wipe a Samsung, so make sure the customer understands what may be lost and has a backup if possible.

Check the photos for the connectors and confirm they match the phones you see most. The listing also suits training labs, where students can practice mode entry without wearing out a phone's buttons.