Tag Archives: sd card

Can you detect a drive was trimmed by reading it?

Different flash operations (read / write / erase) have different power requirements. This is probably due to fact that an erase operation requires 4 times the voltage, about 20v, than what a read operation requires, about 5v. So idea is that power consumption gives clues about what a flash drive is doing. I am assuming the… Read More »

Corrupted Micro SD Card freezes computer

If inserting a corrupted Micro SD Card, that you need to recover data from, freezes your computer, then this kind of puts you into a catch 22 situation. For recovery software to work the card needs to be detected and ID correctly. As long as it doesn’t you will be unable to recover your data.… Read More »

USB Stabilizer, flash drives and ‘the big three’

Notification: Since this blogpost R-Studio has addressed USB Stabilizer issues (not tested yet), UFS Explorer has added functionality to streamline operation with USB Stabilizer (tested, nice!) and ReclaiMe reworked their imaging module (not tested yet). Just FWIW. I have been experimenting with imaging flash. Using R-Studio, ReclaiMe Pro and UFS Explorer, the ones that I… Read More »

Physically broken SD Card – Data Recovery

Seems that many articles about ‘broken SD cards’ refer to software solutions. If a SD card is truly physically broken no software will be able to help. Suggestions to format the card, use DiskPart, run chkdsk are just bullshit (pardon my French). Broken SD Card Micro SD cards If we talk about the standard form… Read More »

SD geheugen kaart bevriest computer, gegevens redden, data recovery (NL)

Probleem: SD geheugen kaart niet leesbaar (SD card, micro SD card) Symptoom: Computer bevriest wanneer SD kaart in lezer aanwezig is Doel: Data recovery Computer bevriest bij detecteren SD memory kaart Om deze symptomen  te verklaren moeten we bergijpen wat er gebeurt wanneer Windows een opslag apparaat detecteert. Windows zal proberen een aantal meta-data structuren… Read More »

USB Flash drive not detected after fall

Will a USB flash drive survive a drop? Modern USB Flash drives are quite solid and will most likely survive a fall due to their monolithic design. Older USB keys typically consist of several components micro soldered to a flimsy PCB. Apart from the smaller chip (the controller) and the large chip (NAND flash memory),… Read More »

Create a disk image of a SD Card or small USB flash drive

In this post I’ll explain how you can create a sector-by-sector disk image of a small USB flash drive or memory card using JpegDigger. This type if disk images are also referred to as dd or RAW image files. The disk image is an exact copy of each sector of the drive that was imaged.… Read More »

Recover deleted DCIM folder on android mobile phone (Samsung)

Original question: Help, I deleted my entire DCIM folder from mobile phone (Samsung) Micro SD Card. Can I recover my photos? A typical answer to this question in many forums and communities is, pull the SD Card from the phone and run PhotoRec. This is indeed an option, but I’m not sure if it’s the… Read More »

Unstable SD card with bad sectors data recovery – freezing, locks up, read errors, disconnects

Recovering your precious photos from a SD card can be challenging enough after accidental file deletion or formatting. Recovering data from an unstable SD Card may prove to even more difficult. Recovering data from an unstable SD Card Many file, photo and data recovery tools available focus on file recovery. Their efforts focus on discovery… Read More »

RAW data recovery

RAW can mean several things with regards to data recovery; ‘You can recover your RAW photos from a SD Card with a RAW file system using RAW file recovery’. With regards to file and photo recovery, RAW data recovery can refer to three different things: The recovery method; RAW vs. file system based recovery It… Read More »