[{"data":1,"prerenderedAt":788},["ShallowReactive",2],{"\u002Fsolve\u002Fcorrupt-sd-card":3,"\u002Fsolve":487},{"id":4,"title":5,"body":6,"description":440,"extension":441,"meta":442,"navigation":482,"path":483,"seo":484,"stem":485,"__hash__":486},"solves\u002Fsolve\u002Fcorrupt-sd-card.md","Fix Corrupt SD Card on Android — Repair, Recover & Prevent Data Loss",{"type":7,"value":8,"toc":427},"minimark",[9,14,18,24,40,45,62,67,78,82,85,100,106,110,113,127,132,136,139,164,169,183,187,190,195,217,222,236,241,264,269,283,287,290,295,306,311,325,331,335,341,347,353,359,365,371,375,378,392,396],[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.",[10,107,109],{"id":108},"step-2-restart-your-phone","Step 2: Restart Your Phone",[15,111,112],{},"A full restart resets the SD card controller hardware:",[86,114,115,118,121,124],{},[28,116,117],{},"Power off completely (not just sleep)",[28,119,120],{},"Wait 30 seconds",[28,122,123],{},"Power on",[28,125,126],{},"Check SD card access",[15,128,129,131],{},[21,130,104],{}," The SD card controller chip can enter an error state that persists through soft reboots. A full power cycle resets it.",[10,133,135],{"id":134},"step-3-save-accessible-files-first","Step 3: Save Accessible Files First",[15,137,138],{},"Before attempting any repair that might make things worse, copy what you can:",[86,140,141,144,147],{},[28,142,143],{},"Open AnExplorer → navigate to SD card",[28,145,146],{},"Browse folders — some files may still be readable even if others aren't",[28,148,149,150],{},"Copy accessible photos, videos, and documents to:\n",[25,151,152,155,158,161],{},[28,153,154],{},"Internal storage (if you have space)",[28,156,157],{},"Cloud storage (Google Drive, MEGA, Dropbox)",[28,159,160],{},"NAS via SMB (if available)",[28,162,163],{},"PC via Device Connect",[15,165,166],{},[21,167,168],{},"Priority order for saving:",[86,170,171,174,177,180],{},[28,172,173],{},"Photos\u002Fvideos in DCIM (irreplaceable memories)",[28,175,176],{},"Documents and downloads (may be re-downloadable but save anyway)",[28,178,179],{},"App data (game saves, WhatsApp backups)",[28,181,182],{},"Music (usually re-downloadable)",[10,184,186],{"id":185},"step-4-repair-on-pc-chkdsk-fsck","Step 4: Repair on PC (chkdsk \u002F fsck)",[15,188,189],{},"If the card is partially readable but has errors, a PC can often repair the file system:",[15,191,192],{},[21,193,194],{},"Windows:",[86,196,197,200,203,211,214],{},[28,198,199],{},"Remove SD card from phone → insert into PC (use a USB card reader)",[28,201,202],{},"Open Command Prompt as Administrator",[28,204,205,206,210],{},"Type: ",[207,208,209],"code",{},"chkdsk E: \u002Ff"," (replace E: with your card's drive letter)",[28,212,213],{},"Wait for scan and repair to complete",[28,215,216],{},"Safely eject → reinsert into phone",[15,218,219],{},[21,220,221],{},"Mac:",[86,223,224,227,230,233],{},[28,225,226],{},"Insert SD card into Mac (use card reader)",[28,228,229],{},"Open Disk Utility (Applications → Utilities)",[28,231,232],{},"Select the SD card → click \"First Aid\" → Run",[28,234,235],{},"Wait for repair → eject → reinsert into phone",[15,237,238],{},[21,239,240],{},"Linux:",[86,242,243,250,261],{},[28,244,245,246,249],{},"Insert card → identify device (",[207,247,248],{},"lsblk",")",[28,251,252,253,256,257,260],{},"Run: ",[207,254,255],{},"sudo fsck.vfat -a \u002Fdev\u002FsdX1"," (for FAT32) or ",[207,258,259],{},"sudo fsck.exfat \u002Fdev\u002FsdX1"," (for exFAT)",[28,262,263],{},"Eject → reinsert into phone",[15,265,266],{},[21,267,268],{},"What chkdsk\u002Ffsck fixes:",[25,270,271,274,277,280],{},[28,272,273],{},"Cross-linked files (two files claiming the same disk space)",[28,275,276],{},"Lost clusters (allocated space not belonging to any file)",[28,278,279],{},"Invalid file entries in the directory table",[28,281,282],{},"Incorrect file sizes",[10,284,286],{"id":285},"step-5-format-as-last-resort","Step 5: Format as Last Resort",[15,288,289],{},"If the card is unreadable or repair fails, formatting is the nuclear option:",[15,291,292],{},[21,293,294],{},"On Android:",[86,296,297,300,303],{},[28,298,299],{},"Settings → Storage → SD card → Format (or Format as portable\u002Finternal)",[28,301,302],{},"Choose \"Portable storage\" (recommended — works in multiple devices)",[28,304,305],{},"Confirm — all data is erased, file system is rebuilt fresh",[15,307,308],{},[21,309,310],{},"On PC (recommended for better formatting options):",[86,312,313,316,319,322],{},[28,314,315],{},"Insert card into PC",[28,317,318],{},"Windows: Right-click drive → Format → choose exFAT (64+ GB) or FAT32 (32 GB or less)",[28,320,321],{},"Mac: Disk Utility → Erase → choose ExFAT",[28,323,324],{},"Full format (not quick) is recommended for cards with suspected hardware issues",[15,326,327,330],{},[21,328,329],{},"After formatting:"," The card works like new. Reinstall apps that used SD storage, and restore backed-up files.",[10,332,334],{"id":333},"preventing-future-corruption","Preventing Future Corruption",[15,336,337,340],{},[21,338,339],{},"Always unmount before removing:","\nSettings → Storage → SD card → Unmount before physically removing the card. Pulling it out while the system is writing causes corruption.",[15,342,343,346],{},[21,344,345],{},"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.",[15,348,349,352],{},[21,350,351],{},"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.",[15,354,355,358],{},[21,356,357],{},"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.",[15,360,361,364],{},[21,362,363],{},"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.",[15,366,367,370],{},[21,368,369],{},"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.",[10,372,374],{"id":373},"when-the-card-is-physically-dead","When the Card Is Physically Dead",[15,376,377],{},"If no device (phone, PC, camera) can detect the card at all:",[25,379,380,383,386,389],{},[28,381,382],{},"The card's controller chip has failed — no software fix exists",[28,384,385],{},"Professional data recovery services can sometimes read the NAND flash directly ($100-500+)",[28,387,388],{},"For irreplaceable data (wedding photos, etc.), professional recovery may be worth the cost",[28,390,391],{},"For replaceable data, accept the loss and buy a new card",[10,393,395],{"id":394},"related-guides","Related Guides",[25,397,398,406,413,420],{},[28,399,400,405],{},[401,402,404],"a",{"href":403},"\u002Fsolve\u002Fsd-card-not-showing","SD Card Not Showing"," — card not detected at all",[28,407,408,412],{},[401,409,411],{"href":410},"\u002Fsolve\u002Fcant-access-usb","Can't Access USB Drive"," — USB OTG troubleshooting",[28,414,415,419],{},[401,416,418],{"href":417},"\u002Fsolve\u002Fmove-apps-to-sd-card","Move Files to SD Card"," — proper SD card usage",[28,421,422,426],{},[401,423,425],{"href":424},"\u002Fsolve\u002Fstorage-full","Android Storage Full"," — free up space when storage is full",{"title":428,"searchDepth":429,"depth":429,"links":430},"",2,[431,432,433,434,435,436,437,438,439],{"id":12,"depth":429,"text":13},{"id":80,"depth":429,"text":81},{"id":108,"depth":429,"text":109},{"id":134,"depth":429,"text":135},{"id":185,"depth":429,"text":186},{"id":285,"depth":429,"text":286},{"id":333,"depth":429,"text":334},{"id":373,"depth":429,"text":374},{"id":394,"depth":429,"text":395},"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":443,"howto":462},[444,447,450,453,456,459],{"q":445,"a":446},"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":448,"a":449},"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":451,"a":452},"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":454,"a":455},"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":457,"a":458},"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":460,"a":461},"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":463,"description":464,"totalTime":465,"steps":466},"How to Fix a Corrupt SD Card on Android","Repair a corrupt SD card step by step, from least to most destructive methods.","PT10M",[467,470,473,476,479],{"name":468,"text":469},"Try unmount and remount","Settings → Storage → SD card → Unmount. Wait 10 seconds. Then tap Mount. This fixes minor file system inconsistencies.",{"name":471,"text":472},"Restart your phone","Power off completely, wait 30 seconds, power on. Sometimes the SD card controller needs a full reset.",{"name":474,"text":475},"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":477,"text":478},"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":480,"text":481},"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":440},"solve\u002Fcorrupt-sd-card","L-3hqdYE6BNp7Ai6VJl_lo275ioAB3upqDsQUIIo5Kg",{"id":488,"title":489,"body":490,"description":775,"extension":441,"meta":776,"navigation":482,"path":784,"seo":785,"stem":786,"__hash__":787},"content\u002Fsolve.md","Fix Android File Problems, Storage Errors & Transfer Issues",{"type":7,"value":491,"toc":768},[492,495,499,648,652,680,684,714,718,734,738,748,758],[15,493,494],{},"Most Android file problems fall into a small number of categories. Find yours below.",[10,496,498],{"id":497},"storage-problems","Storage Problems",[25,500,501,506,513,518,525,532,539,546,551,558,565,572,579,585,592,599,606,613,620,627,634,641],{},[28,502,503,505],{},[401,504,425],{"href":424}," — find and delete large files, clear app caches, move to SD card",[28,507,508,512],{},[401,509,511],{"href":510},"\u002Fsolve\u002Fwhatsapp-storage","WhatsApp Storage Full"," — manage WhatsApp media, move to cloud or SD card",[28,514,515,517],{},[401,516,404],{"href":403}," — mount, format, or diagnose SD card issues",[28,519,520,524],{},[401,521,523],{"href":522},"\u002Fsolve\u002Fphotos-not-showing","Photos Not Showing in Gallery"," — find missing photos, fix .nomedia files, and restore gallery indexing",[28,526,527,531],{},[401,528,530],{"href":529},"\u002Fsolve\u002Fapp-not-installed-error","App Not Installed Error"," — fix APK installation failures on phones, TV, VR, and watches",[28,533,534,538],{},[401,535,537],{"href":536},"\u002Fsolve\u002Fslow-file-transfer","Slow File Transfer"," — speed up transfers between Android and PC\u002FNAS",[28,540,541,545],{},[401,542,544],{"href":543},"\u002Fsolve\u002Fandroid-not-connecting-pc","Android Not Connecting to PC"," — fix USB recognition issues or skip USB entirely with Wi-Fi",[28,547,548,550],{},[401,549,418],{"href":417}," — free up internal storage by moving photos, videos, and downloads to SD card",[28,552,553,557],{},[401,554,556],{"href":555},"\u002Fsolve\u002Frecover-deleted-files","Recover Deleted Files"," — restore accidentally deleted files from AnExplorer's Trash Bin",[28,559,560,564],{},[401,561,563],{"href":562},"\u002Fsolve\u002Fcant-delete-files","Can't Delete Files"," — fix permission errors, locked files, and SD card write protection",[28,566,567,571],{},[401,568,570],{"href":569},"\u002Fsolve\u002Fclear-cache-android","Clear Cache on Android"," — free storage by clearing app cache safely",[28,573,574,578],{},[401,575,577],{"href":576},"\u002Fsolve\u002Fduplicate-files","Find & Delete Duplicate Files"," — identify and remove copies consuming storage",[28,580,581,584],{},[401,582,583],{"href":483},"Corrupt SD Card"," — repair file system errors, recover data, prevent future corruption",[28,586,587,591],{},[401,588,590],{"href":589},"\u002Fsolve\u002Fusb-otg-not-working","USB OTG Not Working"," — fix USB drive detection, read-only, and power issues",[28,593,594,598],{},[401,595,597],{"href":596},"\u002Fsolve\u002Fhow-to-zip-files","How to Create ZIP Files"," — compress files and folders on Android without a PC",[28,600,601,605],{},[401,602,604],{"href":603},"\u002Fsolve\u002Fandroid-permissions-files","Fix File Permission Errors"," — grant storage access on Android 11+",[28,607,608,612],{},[401,609,611],{"href":610},"\u002Fsolve\u002Fhide-files-android","Hide Files on Android"," — hide photos, videos, and folders from gallery and casual viewing",[28,614,615,619],{},[401,616,618],{"href":617},"\u002Fsolve\u002Ffind-large-files","Find Large Files"," — identify what's consuming storage and free gigabytes",[28,621,622,626],{},[401,623,625],{"href":624},"\u002Fsolve\u002Finternal-vs-external-storage","Android Storage Explained"," — internal vs SD card vs USB vs cloud",[28,628,629,633],{},[401,630,632],{"href":631},"\u002Fsolve\u002Fobb-data-folders","Android\u002Fobb and Android\u002Fdata"," — access restricted folders on Android 12+",[28,635,636,640],{},[401,637,639],{"href":638},"\u002Fsolve\u002Fencrypt-files-android","Encrypt Files on Android"," — password-protect files and secure transfer methods",[28,642,643,647],{},[401,644,646],{"href":645},"\u002Fsolve\u002Fbackup-phone-to-nas","Back Up Phone to NAS"," — complete wireless NAS backup guide",[10,649,651],{"id":650},"transfer-and-access-problems","Transfer and Access Problems",[25,653,654,661,666,673],{},[28,655,656,660],{},[401,657,659],{"href":658},"\u002Fsolve\u002Fcant-transfer-files","Can't Transfer Files"," — diagnosis for USB, Wi-Fi, and MTP transfer failures",[28,662,663,665],{},[401,664,411],{"href":410}," — USB OTG, unsupported formats, permission issues",[28,667,668,672],{},[401,669,671],{"href":670},"\u002Fsolve\u002Faccess-file-on-tv","Access Files on TV"," — stream or copy from phone to Android TV or Fire TV",[28,674,675,679],{},[401,676,678],{"href":677},"\u002Fsolve\u002Ffind-downloaded-files","Find Downloaded Files"," — where Android saves browser downloads, APKs, and media",[10,681,683],{"id":682},"file-opening-problems","File Opening Problems",[25,685,686,693,700,707],{},[28,687,688,692],{},[401,689,691],{"href":690},"\u002Fsolve\u002Fopen-pdf-android","Open PDF on Android"," — open PDF files without Google Drive or extra apps",[28,694,695,699],{},[401,696,698],{"href":697},"\u002Fsolve\u002Fopen-zip-android","Open ZIP on Android"," — extract ZIP archives directly in AnExplorer",[28,701,702,706],{},[401,703,705],{"href":704},"\u002Fsolve\u002Fopen-rar-android","Open RAR on Android"," — extract RAR and RAR5 archives",[28,708,709,713],{},[401,710,712],{"href":711},"\u002Fsolve\u002Fopen-7z-android","Open 7Z on Android"," — extract 7-Zip archives",[10,715,717],{"id":716},"app-and-apk-problems","App and APK Problems",[25,719,720,727],{},[28,721,722,726],{},[401,723,725],{"href":724},"\u002Fsolve\u002Fbackup-apps-apk","Backup Apps as APK"," — export installed apps, share APKs",[28,728,729,733],{},[401,730,732],{"href":731},"\u002Fsolve\u002Faccess-hidden-files","Access Hidden Files"," — show dot files, system folders, and hidden directories",[10,735,737],{"id":736},"quick-diagnosis-tips","Quick Diagnosis Tips",[15,739,740,743,744,747],{},[21,741,742],{},"Phone says storage full but you can't find large files:","\nOpen AnExplorer → navigate to root or internal storage → enable ",[21,745,746],{},"Sort by size"," to surface the largest files and folders.",[15,749,750,753,754,757],{},[21,751,752],{},"Downloads not showing in Files app:","\nAnExplorer shows ",[207,755,756],{},"\u002Fsdcard\u002FDownload\u002F"," directly. Go to AnExplorer → Internal Storage → Download.",[15,759,760,763,764,767],{},[21,761,762],{},"SD card not visible:","\nCheck if the SD card appears in the AnExplorer sidebar under ",[21,765,766],{},"Storage",". If not, go to Android Settings → Storage → check if the card is mounted.",{"title":428,"searchDepth":429,"depth":429,"links":769},[770,771,772,773,774],{"id":497,"depth":429,"text":498},{"id":650,"depth":429,"text":651},{"id":682,"depth":429,"text":683},{"id":716,"depth":429,"text":717},{"id":736,"depth":429,"text":737},"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":777},[778,781],{"q":779,"a":780},"How does AnExplorer fix {target}?","This guide provides step-by-step instructions to troubleshoot and resolve the issue quickly using AnExplorer.",{"q":782,"a":783},"Are there other related fixes available?","Yes. The troubleshooting section connects you to related file, transfer, and device guides.","\u002Fsolve",{"title":489,"description":775},"solve","QxkmXnpnRgl1v1Idqs-pWks0-cHSJ_URbXdwtu8AfoI",1780644069971]