[{"data":1,"prerenderedAt":797},["ShallowReactive",2],{"\u002Fsolve\u002Fcorrupt-sd-card":3,"\u002Fsolve":496},{"id":4,"title":5,"body":6,"description":449,"extension":450,"meta":451,"navigation":491,"path":492,"seo":493,"stem":494,"__hash__":495},"solves\u002Fsolve\u002Fcorrupt-sd-card.md","Fix Corrupt SD Card on Android — Repair, Recover & Prevent Data Loss",{"type":7,"value":8,"toc":436},"minimark",[9,14,18,24,40,45,62,67,78,82,85,100,106,109,113,116,130,135,139,142,167,172,186,188,192,195,200,222,227,241,246,269,274,288,292,295,300,311,316,330,336,338,342,348,354,360,366,372,378,382,385,399,403,434],[10,11,13],"h2",{"id":12},"signs-your-sd-card-is-corrupt","Signs Your SD Card Is Corrupt",[15,16,17],"p",{},"SD card corruption doesn't always announce itself clearly. Here are the symptoms, from subtle to obvious:",[15,19,20],{},[21,22,23],"strong",{},"Early warning signs:",[25,26,27,31,34,37],"ul",{},[28,29,30],"li",{},"Some files take unusually long to open",[28,32,33],{},"Thumbnails don't load for some photos\u002Fvideos",[28,35,36],{},"A few files show as 0 KB size",[28,38,39],{},"Occasional \"file not found\" errors for files you know exist",[15,41,42],{},[21,43,44],{},"Clear corruption indicators:",[25,46,47,50,53,56,59],{},[28,48,49],{},"Android notification: \"SD card is damaged. You may have to reformat it\"",[28,51,52],{},"Card appears empty despite having data",[28,54,55],{},"Phone asks to format the card every time you insert it",[28,57,58],{},"Files appear with garbled names (random characters)",[28,60,61],{},"Apps that store data on SD card crash on launch",[15,63,64],{},[21,65,66],{},"Severe corruption:",[25,68,69,72,75],{},[28,70,71],{},"SD card not detected at all (doesn't appear in Settings → Storage)",[28,73,74],{},"Phone freezes when you try to access the card",[28,76,77],{},"\"Read-only file system\" error when trying to write",[10,79,81],{"id":80},"step-1-unmount-and-remount-fixes-minor-issues","Step 1: Unmount and Remount (Fixes Minor Issues)",[15,83,84],{},"The simplest fix that resolves many temporary corruption issues:",[86,87,88,91,94,97],"ol",{},[28,89,90],{},"Settings → Storage → SD card → Unmount (or Eject)",[28,92,93],{},"Wait 10 seconds",[28,95,96],{},"Tap Mount (or remove and reinsert the card)",[28,98,99],{},"Check if files are accessible again",[15,101,102,105],{},[21,103,104],{},"Why this works:"," Android's file system cache can become inconsistent. Unmounting forces the system to flush all pending writes and re-read the card's file allocation table from scratch.",[107,108],"download-banner",{},[10,110,112],{"id":111},"step-2-restart-your-phone","Step 2: Restart Your Phone",[15,114,115],{},"A full restart resets the SD card controller hardware:",[86,117,118,121,124,127],{},[28,119,120],{},"Power off completely (not just sleep)",[28,122,123],{},"Wait 30 seconds",[28,125,126],{},"Power on",[28,128,129],{},"Check SD card access",[15,131,132,134],{},[21,133,104],{}," The SD card controller chip can enter an error state that persists through soft reboots. A full power cycle resets it.",[10,136,138],{"id":137},"step-3-save-accessible-files-first","Step 3: Save Accessible Files First",[15,140,141],{},"Before attempting any repair that might make things worse, copy what you can:",[86,143,144,147,150],{},[28,145,146],{},"Open AnExplorer → navigate to SD card",[28,148,149],{},"Browse folders — some files may still be readable even if others aren't",[28,151,152,153],{},"Copy accessible photos, videos, and documents to:\n",[25,154,155,158,161,164],{},[28,156,157],{},"Internal storage (if you have space)",[28,159,160],{},"Cloud storage (Google Drive, MEGA, Dropbox)",[28,162,163],{},"NAS via SMB (if available)",[28,165,166],{},"PC via Device Connect",[15,168,169],{},[21,170,171],{},"Priority order for saving:",[86,173,174,177,180,183],{},[28,175,176],{},"Photos\u002Fvideos in DCIM (irreplaceable memories)",[28,178,179],{},"Documents and downloads (may be re-downloadable but save anyway)",[28,181,182],{},"App data (game saves, WhatsApp backups)",[28,184,185],{},"Music (usually re-downloadable)",[107,187],{},[10,189,191],{"id":190},"step-4-repair-on-pc-chkdsk-fsck","Step 4: Repair on PC (chkdsk \u002F fsck)",[15,193,194],{},"If the card is partially readable but has errors, a PC can often repair the file system:",[15,196,197],{},[21,198,199],{},"Windows:",[86,201,202,205,208,216,219],{},[28,203,204],{},"Remove SD card from phone → insert into PC (use a USB card reader)",[28,206,207],{},"Open Command Prompt as Administrator",[28,209,210,211,215],{},"Type: ",[212,213,214],"code",{},"chkdsk E: \u002Ff"," (replace E: with your card's drive letter)",[28,217,218],{},"Wait for scan and repair to complete",[28,220,221],{},"Safely eject → reinsert into phone",[15,223,224],{},[21,225,226],{},"Mac:",[86,228,229,232,235,238],{},[28,230,231],{},"Insert SD card into Mac (use card reader)",[28,233,234],{},"Open Disk Utility (Applications → Utilities)",[28,236,237],{},"Select the SD card → click \"First Aid\" → Run",[28,239,240],{},"Wait for repair → eject → reinsert into phone",[15,242,243],{},[21,244,245],{},"Linux:",[86,247,248,255,266],{},[28,249,250,251,254],{},"Insert card → identify device (",[212,252,253],{},"lsblk",")",[28,256,257,258,261,262,265],{},"Run: ",[212,259,260],{},"sudo fsck.vfat -a \u002Fdev\u002FsdX1"," (for FAT32) or ",[212,263,264],{},"sudo fsck.exfat \u002Fdev\u002FsdX1"," (for exFAT)",[28,267,268],{},"Eject → reinsert into phone",[15,270,271],{},[21,272,273],{},"What chkdsk\u002Ffsck fixes:",[25,275,276,279,282,285],{},[28,277,278],{},"Cross-linked files (two files claiming the same disk space)",[28,280,281],{},"Lost clusters (allocated space not belonging to any file)",[28,283,284],{},"Invalid file entries in the directory table",[28,286,287],{},"Incorrect file sizes",[10,289,291],{"id":290},"step-5-format-as-last-resort","Step 5: Format as Last Resort",[15,293,294],{},"If the card is unreadable or repair fails, formatting is the nuclear option:",[15,296,297],{},[21,298,299],{},"On Android:",[86,301,302,305,308],{},[28,303,304],{},"Settings → Storage → SD card → Format (or Format as portable\u002Finternal)",[28,306,307],{},"Choose \"Portable storage\" (recommended — works in multiple devices)",[28,309,310],{},"Confirm — all data is erased, file system is rebuilt fresh",[15,312,313],{},[21,314,315],{},"On PC (recommended for better formatting options):",[86,317,318,321,324,327],{},[28,319,320],{},"Insert card into PC",[28,322,323],{},"Windows: Right-click drive → Format → choose exFAT (64+ GB) or FAT32 (32 GB or less)",[28,325,326],{},"Mac: Disk Utility → Erase → choose ExFAT",[28,328,329],{},"Full format (not quick) is recommended for cards with suspected hardware issues",[15,331,332,335],{},[21,333,334],{},"After formatting:"," The card works like new. Reinstall apps that used SD storage, and restore backed-up files.",[107,337],{},[10,339,341],{"id":340},"preventing-future-corruption","Preventing Future Corruption",[15,343,344,347],{},[21,345,346],{},"Always unmount before removing:","\nSettings → Storage → SD card → Unmount before physically removing the card. Pulling it out while the system is writing causes corruption.",[15,349,350,353],{},[21,351,352],{},"Don't use the card in multiple devices:","\nEach device formats the card slightly differently. Switching between phone, camera, and PC increases corruption risk. Dedicate cards to one device.",[15,355,356,359],{},[21,357,358],{},"Buy quality cards (avoid counterfeits):","\nCounterfeit SD cards (common on Amazon\u002FAliExpress) have fake capacity and poor controllers. Buy from authorized retailers. Samsung EVO, SanDisk Extreme, and Kingston Canvas are reliable brands.",[15,361,362,365],{},[21,363,364],{},"Avoid filling the card completely:","\nLeave 10-15% free space. A completely full card has no room for file system metadata updates, increasing corruption risk.",[15,367,368,371],{},[21,369,370],{},"Don't remove during transfers:","\nIf AnExplorer is copying files to\u002Ffrom the SD card, wait for the operation to complete before unmounting or removing.",[15,373,374,377],{},[21,375,376],{},"Replace aging cards:","\nSD cards have a limited number of write cycles (typically 10,000-100,000 depending on quality). If a card is 3-5 years old and corrupts frequently, it's worn out — replace it.",[10,379,381],{"id":380},"when-the-card-is-physically-dead","When the Card Is Physically Dead",[15,383,384],{},"If no device (phone, PC, camera) can detect the card at all:",[25,386,387,390,393,396],{},[28,388,389],{},"The card's controller chip has failed — no software fix exists",[28,391,392],{},"Professional data recovery services can sometimes read the NAND flash directly ($100-500+)",[28,394,395],{},"For irreplaceable data (wedding photos, etc.), professional recovery may be worth the cost",[28,397,398],{},"For replaceable data, accept the loss and buy a new card",[10,400,402],{"id":401},"related-guides","Related Guides",[25,404,405,413,420,427],{},[28,406,407,412],{},[408,409,411],"a",{"href":410},"\u002Fsolve\u002Fsd-card-not-showing","SD Card Not Showing"," — card not detected at all",[28,414,415,419],{},[408,416,418],{"href":417},"\u002Fsolve\u002Fcant-access-usb","Can't Access USB Drive"," — USB OTG troubleshooting",[28,421,422,426],{},[408,423,425],{"href":424},"\u002Fsolve\u002Fmove-apps-to-sd-card","Move Files to SD Card"," — proper SD card usage",[28,428,429,433],{},[408,430,432],{"href":431},"\u002Fsolve\u002Fstorage-full","Android Storage Full"," — free up space when storage is full",[107,435],{},{"title":437,"searchDepth":438,"depth":438,"links":439},"",2,[440,441,442,443,444,445,446,447,448],{"id":12,"depth":438,"text":13},{"id":80,"depth":438,"text":81},{"id":111,"depth":438,"text":112},{"id":137,"depth":438,"text":138},{"id":190,"depth":438,"text":191},{"id":290,"depth":438,"text":291},{"id":340,"depth":438,"text":341},{"id":380,"depth":438,"text":381},{"id":401,"depth":438,"text":402},"Fix a corrupt SD card on Android: repair file system errors, recover data, and prevent future corruption. Step-by-step guide using AnExplorer and Android tools.","md",{"faq":452,"howto":471},[453,456,459,462,465,468],{"q":454,"a":455},"How do I know if my SD card is corrupt?","Signs: files disappear or show as 0 KB, 'SD card is damaged' notification, phone asks to format the card, apps crash when accessing SD card files, or the card appears empty despite having data.",{"q":457,"a":458},"Can I fix a corrupt SD card without formatting?","Sometimes. Try: unmount and remount the card, restart the phone, or connect the card to a PC and run chkdsk (Windows) or fsck (Mac\u002FLinux). If the file system is severely damaged, formatting may be the only option.",{"q":460,"a":461},"Will formatting fix a corrupt SD card?","Formatting fixes file system corruption but erases all data. Before formatting: try to copy accessible files to internal storage or cloud using AnExplorer. After formatting, the card works like new.",{"q":463,"a":464},"Can AnExplorer recover files from a corrupt SD card?","AnExplorer can read and copy files that are still accessible on a partially corrupt card. For files that are completely inaccessible, you need a dedicated recovery tool (DiskDigger, PhotoRec) on a PC.",{"q":466,"a":467},"Why does my SD card keep getting corrupt?","Common causes: removing the card without unmounting, cheap\u002Fcounterfeit cards, using the card in multiple devices, power loss during write operations, or the card reaching its write-cycle limit (worn out).",{"q":469,"a":470},"Should I use exFAT or FAT32 for my SD card?","Use exFAT for cards 64 GB and larger (supports files over 4 GB). Use FAT32 only for cards 32 GB and smaller. Android supports both formats natively.",{"name":472,"description":473,"totalTime":474,"steps":475},"How to Fix a Corrupt SD Card on Android","Repair a corrupt SD card step by step, from least to most destructive methods.","PT10M",[476,479,482,485,488],{"name":477,"text":478},"Try unmount and remount","Settings → Storage → SD card → Unmount. Wait 10 seconds. Then tap Mount. This fixes minor file system inconsistencies.",{"name":480,"text":481},"Restart your phone","Power off completely, wait 30 seconds, power on. Sometimes the SD card controller needs a full reset.",{"name":483,"text":484},"Copy accessible files","Open AnExplorer → navigate to SD card. Copy any accessible files to internal storage or cloud as a backup before attempting repairs.",{"name":486,"text":487},"Try PC repair (chkdsk)","Remove SD card → insert into PC with card reader → Windows: run 'chkdsk E: \u002Ff' in Command Prompt. Mac: Disk Utility → First Aid.",{"name":489,"text":490},"Format as last resort","If nothing else works: Settings → Storage → SD card → Format. This erases all data but fixes the file system. Use exFAT for 64+ GB cards.",true,"\u002Fsolve\u002Fcorrupt-sd-card",{"title":5,"description":449},"solve\u002Fcorrupt-sd-card","L-3hqdYE6BNp7Ai6VJl_lo275ioAB3upqDsQUIIo5Kg",{"id":497,"title":498,"body":499,"description":784,"extension":450,"meta":785,"navigation":491,"path":793,"seo":794,"stem":795,"__hash__":796},"content\u002Fsolve.md","Fix Android File Problems, Storage Errors & Transfer Issues",{"type":7,"value":500,"toc":777},[501,504,508,657,661,689,693,723,727,743,747,757,767],[15,502,503],{},"Most Android file problems fall into a small number of categories. Find yours below.",[10,505,507],{"id":506},"storage-problems","Storage Problems",[25,509,510,515,522,527,534,541,548,555,560,567,574,581,588,594,601,608,615,622,629,636,643,650],{},[28,511,512,514],{},[408,513,432],{"href":431}," — find and delete large files, clear app caches, move to SD card",[28,516,517,521],{},[408,518,520],{"href":519},"\u002Fsolve\u002Fwhatsapp-storage","WhatsApp Storage Full"," — manage WhatsApp media, move to cloud or SD card",[28,523,524,526],{},[408,525,411],{"href":410}," — mount, format, or diagnose SD card issues",[28,528,529,533],{},[408,530,532],{"href":531},"\u002Fsolve\u002Fphotos-not-showing","Photos Not Showing in Gallery"," — find missing photos, fix .nomedia files, and restore gallery indexing",[28,535,536,540],{},[408,537,539],{"href":538},"\u002Fsolve\u002Fapp-not-installed-error","App Not Installed Error"," — fix APK installation failures on phones, TV, VR, and watches",[28,542,543,547],{},[408,544,546],{"href":545},"\u002Fsolve\u002Fslow-file-transfer","Slow File Transfer"," — speed up transfers between Android and PC\u002FNAS",[28,549,550,554],{},[408,551,553],{"href":552},"\u002Fsolve\u002Fandroid-not-connecting-pc","Android Not Connecting to PC"," — fix USB recognition issues or skip USB entirely with Wi-Fi",[28,556,557,559],{},[408,558,425],{"href":424}," — free up internal storage by moving photos, videos, and downloads to SD card",[28,561,562,566],{},[408,563,565],{"href":564},"\u002Fsolve\u002Frecover-deleted-files","Recover Deleted Files"," — restore accidentally deleted files from AnExplorer's Trash Bin",[28,568,569,573],{},[408,570,572],{"href":571},"\u002Fsolve\u002Fcant-delete-files","Can't Delete Files"," — fix permission errors, locked files, and SD card write protection",[28,575,576,580],{},[408,577,579],{"href":578},"\u002Fsolve\u002Fclear-cache-android","Clear Cache on Android"," — free storage by clearing app cache safely",[28,582,583,587],{},[408,584,586],{"href":585},"\u002Fsolve\u002Fduplicate-files","Find & Delete Duplicate Files"," — identify and remove copies consuming storage",[28,589,590,593],{},[408,591,592],{"href":492},"Corrupt SD Card"," — repair file system errors, recover data, prevent future corruption",[28,595,596,600],{},[408,597,599],{"href":598},"\u002Fsolve\u002Fusb-otg-not-working","USB OTG Not Working"," — fix USB drive detection, read-only, and power issues",[28,602,603,607],{},[408,604,606],{"href":605},"\u002Fsolve\u002Fhow-to-zip-files","How to Create ZIP Files"," — compress files and folders on Android without a PC",[28,609,610,614],{},[408,611,613],{"href":612},"\u002Fsolve\u002Fandroid-permissions-files","Fix File Permission Errors"," — grant storage access on Android 11+",[28,616,617,621],{},[408,618,620],{"href":619},"\u002Fsolve\u002Fhide-files-android","Hide Files on Android"," — hide photos, videos, and folders from gallery and casual viewing",[28,623,624,628],{},[408,625,627],{"href":626},"\u002Fsolve\u002Ffind-large-files","Find Large Files"," — identify what's consuming storage and free gigabytes",[28,630,631,635],{},[408,632,634],{"href":633},"\u002Fsolve\u002Finternal-vs-external-storage","Android Storage Explained"," — internal vs SD card vs USB vs cloud",[28,637,638,642],{},[408,639,641],{"href":640},"\u002Fsolve\u002Fobb-data-folders","Android\u002Fobb and Android\u002Fdata"," — access restricted folders on Android 12+",[28,644,645,649],{},[408,646,648],{"href":647},"\u002Fsolve\u002Fencrypt-files-android","Encrypt Files on Android"," — password-protect files and secure transfer methods",[28,651,652,656],{},[408,653,655],{"href":654},"\u002Fsolve\u002Fbackup-phone-to-nas","Back Up Phone to NAS"," — complete wireless NAS backup guide",[10,658,660],{"id":659},"transfer-and-access-problems","Transfer and Access Problems",[25,662,663,670,675,682],{},[28,664,665,669],{},[408,666,668],{"href":667},"\u002Fsolve\u002Fcant-transfer-files","Can't Transfer Files"," — diagnosis for USB, Wi-Fi, and MTP transfer failures",[28,671,672,674],{},[408,673,418],{"href":417}," — USB OTG, unsupported formats, permission issues",[28,676,677,681],{},[408,678,680],{"href":679},"\u002Fsolve\u002Faccess-file-on-tv","Access Files on TV"," — stream or copy from phone to Android TV or Fire TV",[28,683,684,688],{},[408,685,687],{"href":686},"\u002Fsolve\u002Ffind-downloaded-files","Find Downloaded Files"," — where Android saves browser downloads, APKs, and media",[10,690,692],{"id":691},"file-opening-problems","File Opening Problems",[25,694,695,702,709,716],{},[28,696,697,701],{},[408,698,700],{"href":699},"\u002Fsolve\u002Fopen-pdf-android","Open PDF on Android"," — open PDF files without Google Drive or extra apps",[28,703,704,708],{},[408,705,707],{"href":706},"\u002Fsolve\u002Fopen-zip-android","Open ZIP on Android"," — extract ZIP archives directly in AnExplorer",[28,710,711,715],{},[408,712,714],{"href":713},"\u002Fsolve\u002Fopen-rar-android","Open RAR on Android"," — extract RAR and RAR5 archives",[28,717,718,722],{},[408,719,721],{"href":720},"\u002Fsolve\u002Fopen-7z-android","Open 7Z on Android"," — extract 7-Zip archives",[10,724,726],{"id":725},"app-and-apk-problems","App and APK Problems",[25,728,729,736],{},[28,730,731,735],{},[408,732,734],{"href":733},"\u002Fsolve\u002Fbackup-apps-apk","Backup Apps as APK"," — export installed apps, share APKs",[28,737,738,742],{},[408,739,741],{"href":740},"\u002Fsolve\u002Faccess-hidden-files","Access Hidden Files"," — show dot files, system folders, and hidden directories",[10,744,746],{"id":745},"quick-diagnosis-tips","Quick Diagnosis Tips",[15,748,749,752,753,756],{},[21,750,751],{},"Phone says storage full but you can't find large files:","\nOpen AnExplorer → navigate to root or internal storage → enable ",[21,754,755],{},"Sort by size"," to surface the largest files and folders.",[15,758,759,762,763,766],{},[21,760,761],{},"Downloads not showing in Files app:","\nAnExplorer shows ",[212,764,765],{},"\u002Fsdcard\u002FDownload\u002F"," directly. Go to AnExplorer → Internal Storage → Download.",[15,768,769,772,773,776],{},[21,770,771],{},"SD card not visible:","\nCheck if the SD card appears in the AnExplorer sidebar under ",[21,774,775],{},"Storage",". If not, go to Android Settings → Storage → check if the card is mounted.",{"title":437,"searchDepth":438,"depth":438,"links":778},[779,780,781,782,783],{"id":506,"depth":438,"text":507},{"id":659,"depth":438,"text":660},{"id":691,"depth":438,"text":692},{"id":725,"depth":438,"text":726},{"id":745,"depth":438,"text":746},"Quick fixes for the most common Android file problems: storage full, can't find downloads, SD card not showing, USB not working, can't open files. Step-by-step with AnExplorer.",{"faq":786},[787,790],{"q":788,"a":789},"How does AnExplorer fix {target}?","This guide provides step-by-step instructions to troubleshoot and resolve the issue quickly using AnExplorer.",{"q":791,"a":792},"Are there other related fixes available?","Yes. The troubleshooting section connects you to related file, transfer, and device guides.","\u002Fsolve",{"title":498,"description":784},"solve","QxkmXnpnRgl1v1Idqs-pWks0-cHSJ_URbXdwtu8AfoI",1782062507093]