how to repair usb flash drive

{"cid":"91155113","title":"Machine Repair Useful Tool 16GB USB Flash Drive Durable and Heavy","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b4\/00\/e6b73dade719052ea217f0aa38fe-200x200-1.jpg","attrs":{"Price":"US$2\/pc ~ US$10\/pc","Brand Name":"No Brand","Model Number":"TW-HU-043","Minimum Order Quantity":"50pcs","Delivery Time":"2-3 Working Days","Certification":"CE, RoHS, FCC","Place of Origin":"China","Payment Terms":"TT, WesternUnion, MoneyGram, Paypal","Supply Ability":"2000pcs\/Week","Packaging Details":"Standard Package Box","Capacity":"256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB, 32GB, 64GB","Material":"Metal","Interface Type":"USB 2.0","Selling Point":"Wrench Tool","Guarantee":"100% Full Capacity Memory Chip","Color":"Silver","Warranty":"5 Years"}}

{"cid":"91095365","title":"Custom 4GB 8GB 16GB Crystal USB Stick Engraving Logo Crystal Pendrive","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/15\/3c\/af175ae0f736b38c0f3479bb51ac-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"Hometech","Model Number":"HT-1015-4","Minimum Order Quantity":"30 Pieces","Delivery Time":"Within 2-7 working days after getting deposit","Certification":"CE\/FCC\/RoHS","Place of Origin":"Shenzhen, China (Mainland)","Supply Ability":"100000 Pieces per Month","Packaging Details":"PP bag, Plastic box, Tin box, Gift box, etc.","Payment Terms:":"T\/T,Credit card . etc","Material":"Crystal & Brushed Metal","Products Size":"L 53mm x W 19mm x D 10mm","MOQ":"30PCS","Logo Options":"Laser engrave","Color":"transparent","Weight\/ctn":"18kgs","Packaging":"Opp bag, or gift box","LED":"Red, Pink, Blue,green","Speed":"Write 8-10mb\/s ; Read 18-20mb\/s","Flash Chips":"Original High Speed Flash Chips","Warranty":"1 Year"}}