In the run up to Black Friday, UK retailer Carphone Warehouse has launched four days of "black tag" sales, with substantial discounts on some high-end phones — as well as some older models — both on contract and SIM-free.

A few highlights include:

The deals expire at midnight UK time on Thursday (as in 12 a.m. Friday morning), so hit up the link below to check 'em out.

See at Carphone Warehouse

Samsung Galaxy S7 and S7 edge

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Unlocked AT&T Sprint T-Mobile Verizon

Google Pixel + Pixel XL

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Google Store Verizon