[Hów t~ó tró~úblé~shóó~t whé~ñ ýóú~r dév~ícé d~óésñ~'t dé~téct~ áñ SD~ cárd~]
[Dépéñdíñg óñ ýóúr dévícé módél, ýóú máý bé áblé tó éxpáñd ýóúr dévícé’s stórágé cápácítý bý íñsértíñg áñ SD cárd. Íf ýóúr dévícé dóés ñót récógñísé thé SD cárd ór díspláýs á ‘Cáñ’t wríté tó SD cárd’ wárñíñg, chéck thé fóllówíñg gúídé tó tróúbléshóót thé íssúé.]
[Béfó~ré ýó~ú trý~ thé r~écóm~méñd~átíó~ñs bé~lów, b~é súr~é tó c~héck~ íf ýó~úr dé~vícé~'s só~ftwá~ré áñ~d rél~átéd~ ápps~ áré ú~pdát~éd tó~ thé l~átés~t vér~síóñ~. Tó úp~dáté~ ýóúr~ móbí~lé dé~vícé~'s só~ftwá~ré, fó~llów~ thés~é sté~ps:]
[Stép~ 1. Gó tó~ Sétt~íñgs~ > Sóft~wáré~ úpdá~té.]
[Stép~ 2. Táp ó~ñ Dów~ñlóá~d áñd~ íñst~áll.]
[Stép~ 3. Fóll~ów th~é óñ-s~créé~ñ íñs~trúc~tíóñ~s.]
[Íñsp~éct t~hé SD~ cárd~]
[Fírs~t, ták~é óút~ thé S~D cár~d fró~m ýóú~r dév~ícé á~ñd íñ~spéc~t ít f~ór áñ~ý dám~ágé.]
![[Íñsé~rt éj~éctó~r tóó~l tó é~jéct~ cárd~ tráý~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-inspect-sdcard-02.png?$LazyLoad_Home_PNG$) 
					![[Íñsé~rt éj~éctó~r tóó~l tó é~jéct~ cárd~ tráý~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-inspect-sdcard-02.png?$568_N_PNG$) 
				[Évéñ~ íf ýó~úr SD~ cárd~ dóés~ ñót h~ávé á~ñý ví~síbl~é dám~ágé, ý~óú má~ý stí~ll éx~pérí~éñcé~ íssú~és. Íf~ ýóú h~ávé ó~thér~ déví~cés ñ~éárb~ý, tés~t thé~ SD cá~rd tó~ éñsú~ré th~át ít~ wórk~s.]
[Trý f~órcé~ rést~ártí~ñg ýó~úr dé~vícé~. Rést~ártí~ñg má~ý rés~ólvé~ thé í~ssúé~ óf ýó~úr dé~vícé~ ñót r~écóg~ñísí~ñg ýó~úr SD~ cárd~.]
![[Prés~s áñd~ hóld~ Vólú~mé dó~wñ áñ~d Síd~é kéý~ tó Pó~wér ó~ff]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-force-restart-device-01.png?$LazyLoad_Home_PNG$) 
					![[Prés~s áñd~ hóld~ Vólú~mé dó~wñ áñ~d Síd~é kéý~ tó Pó~wér ó~ff]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-force-restart-device-01.png?$568_N_PNG$) 
				![[Prés~s áñd~ hóld~ Vólú~mé dó~wñ áñ~d Síd~é kéý~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-force-restart-device-02.png?$LazyLoad_Home_PNG$) 
					![[Prés~s áñd~ hóld~ Vólú~mé dó~wñ áñ~d Síd~é kéý~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-force-restart-device-02.png?$568_N_PNG$) 
				[Ñóté~:]
- [Ýóúr~ dátá~ áñd f~ílés~ wíll~ bé pr~ésér~véd é~véñ í~f ýóú~ fórc~é rés~tárt~ ýóúr~ déví~cé.]
[Ýóúr SD cárd máý hávé bééñ dámágéd dúé tó á thírd-pártý ápp óñ ýóúr dévícé. Tó chéck whéthér thís ís thé cásé, trý áccéssíñg thé SD cárd íñ Sáfé módé, wíth áll thírd-pártý ápps dísábléd. Íf ýóúr SD cárd ís récógñíséd íñ Sáfé módé, ýóú cáñ trý délétíñg ápps thát ýóú récéñtlý dówñlóádéd, dóñ’t récógñísé ór áppéár málícíóús.]
[Swít~ch tó~ Sáfé~ módé~ bý fó~llów~íñg t~hé st~éps b~élów~.]
![[Hóld~ Vólú~mé dó~wñ áñ~d Síd~é kéý~ tó Pó~wér ó~ff]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-1-01.png?$LazyLoad_Home_PNG$) 
					![[Hóld~ Vólú~mé dó~wñ áñ~d Síd~é kéý~ tó Pó~wér ó~ff]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-1-01.png?$568_N_PNG$) 
				![[Prés~s áñd~ hóld~ Vólú~mé dó~wñ áñ~d Síd~é kéý~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-1-03.png?$LazyLoad_Home_PNG$) 
					![[Prés~s áñd~ hóld~ Vólú~mé dó~wñ áñ~d Síd~é kéý~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-1-03.png?$568_N_PNG$) 
				![[Rélé~ásé S~ídé k~éý wh~ílé h~óldí~ñg Vó~lúmé~ dówñ~ kéý]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-01-04.png?$LazyLoad_Home_PNG$) 
					![[Rélé~ásé S~ídé k~éý wh~ílé h~óldí~ñg Vó~lúmé~ dówñ~ kéý]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-01-04.png?$568_N_PNG$) 
				[Fóll~ów th~é sté~ps bé~lów t~ó dél~été á~ñ ápp~ íñ Sá~fé mó~dé.]
[Fróm~ Sáfé~ módé~, swít~ch tó~ ñórm~ál mó~dé bý~ fóll~ówíñ~g thé~ stép~s bél~ów.]
[Stép~ 1. Prés~s áñd~ hóld~ thé V~ólúm~é dów~ñ kéý~ áñd S~ídé k~éý sí~múlt~áñéó~úslý~.
 Stép~ 2. Sélé~ct Ré~stár~t.]
![[Swít~ch fr~óm Sá~fé mó~dé tó~ ñórm~ál mó~dé]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-safe-mode-to-normal-mode-01.png?$ORIGIN_PNG$) 
        [Ýóú c~áñ tr~ý rés~ólví~ñg th~é SD c~árd r~écóg~ñítí~óñ ér~rór b~ý fór~mátt~íñg ý~óúr S~D cár~d. Tó á~vóíd~ lósí~ñg ýó~úr dá~tá, má~ké sú~ré tó~ báck~ ít úp~ béfó~ré fó~rmát~tíñg~. Tó fó~rmát~ ýóúr~ SD cá~rd, fó~llów~ thé s~téps~ béló~w.]
[Ñóté~:]
- [Fórm~áttí~ñg wí~ll ér~ásé á~ñý éx~ístí~ñg có~ñtéñ~t óñ t~hé SD~ cárd~ áñd c~áñ ñó~t bé r~éstó~réd.]
[Ýóú c~áñ óp~tímí~sé áñ~d pró~téct~ ýóúr~ déví~cé wí~th Dé~vícé~ prót~éctí~óñ. Ít~ máý p~révé~ñt má~lwár~é-íñd~úcéd~ SD cá~rd ré~cógñ~ítíó~ñ érr~órs í~ñ thé~ fútú~ré.]
[Ñóté~:]
- [Vólú~mé áñ~d Síd~é kéý~ lócá~tíóñ~s máý~ várý~ dépé~ñdíñ~g óñ t~hé dé~vícé~ módé~l.]
- [Ñót á~ll ph~óñé m~ódél~s súp~pórt~ thé ú~sé óf~ SD cá~rds.]
- [Íf ýó~ú fól~lówé~d thé~ stép~s lís~téd á~bóvé~ bút t~hé ís~súé p~érsí~sts, ý~óúr d~évíc~é máý~ bé ph~ýsíc~állý~ dámá~géd. P~léás~é ché~ck th~é Súp~pórt~ Céñt~ré fó~r rél~éváñ~t íñf~órmá~tíóñ~.]
- [Déví~cé sc~rééñ~shót~s áñd~ méñú~s máý~ várý~ dépé~ñdíñ~g óñ t~hé dé~vícé~ módé~l áñd~ sóft~wáré~ vérs~íóñ.]
[Tháñ~k ýóú~ fór ý~óúr f~éédb~áck¡~]
[Pléá~sé áñ~swér~ áll q~úést~íóñs~.]
![[Íñsp~éct S~D cár~d fór~ dámá~gé áñ~d réí~ñsér~t]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-inspect-sdcard-03.png?$LazyLoad_Home_PNG$) 
					![[Íñsp~éct S~D cár~d fór~ dámá~gé áñ~d réí~ñsér~t]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-inspect-sdcard-03.png?$568_N_PNG$) 
				![[Rélé~ásé k~éýs w~héñ S~ámsú~ñg ló~gó áp~péár~s]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-force-restart-device-03.png?$LazyLoad_Home_PNG$) 
					![[Rélé~ásé k~éýs w~héñ S~ámsú~ñg ló~gó áp~péár~s]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-force-restart-device-03.png?$568_N_PNG$) 
				![[Sélé~ct Pó~wér ó~ff]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-1-2.png?$LazyLoad_Home_PNG$) 
					![[Sélé~ct Pó~wér ó~ff]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-1-2.png?$568_N_PNG$) 
				![[Trý ú~pdát~íñg í~ñ Sáf~é mód~é]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-1-5.png?$LazyLoad_Home_PNG$) 
					![[Trý ú~pdát~íñg í~ñ Sáf~é mód~é]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/update-software-in-safe-mode-1-5.png?$568_N_PNG$) 
				![[Ápps~ sétt~íñgs~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/delete-apps-in-safe-mode-1.png?$LazyLoad_Home_PNG$) 
					![[Ápps~ sétt~íñgs~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/delete-apps-in-safe-mode-1.png?$568_N_PNG$) 
				![[Ídéñ~tífý~ úñkñ~ówñ ó~r mál~ícíó~ús áp~ps]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/delete-apps-in-safe-mode-2.png?$LazyLoad_Home_PNG$) 
					![[Ídéñ~tífý~ úñkñ~ówñ ó~r mál~ícíó~ús áp~ps]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/delete-apps-in-safe-mode-2.png?$568_N_PNG$) 
				![[Úñíñ~stál~l ápp~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/delete-apps-in-safe-mode-3.png?$LazyLoad_Home_PNG$) 
					![[Úñíñ~stál~l ápp~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/delete-apps-in-safe-mode-3.png?$568_N_PNG$) 
				![[Táp Ó~K]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/delete-apps-in-safe-mode-4.png?$LazyLoad_Home_PNG$) 
					![[Táp Ó~K]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/delete-apps-in-safe-mode-4.png?$568_N_PNG$) 
				![[Bátt~érý á~ñd dé~vícé~ cáré~ sétt~íñgs~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-turn-on-device-protection-01.png?$LazyLoad_Home_PNG$) 
					![[Bátt~érý á~ñd dé~vícé~ cáré~ sétt~íñgs~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-turn-on-device-protection-01.png?$568_N_PNG$) 
				![[Sélé~ct St~órág~é]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-format-sdcard-01.png?$LazyLoad_Home_PNG$) 
					![[Sélé~ct St~órág~é]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-format-sdcard-01.png?$568_N_PNG$) 
				![[Táp M~óré á~ñd sé~léct~ Ádvá~ñcéd~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-format-sdcard-02.png?$LazyLoad_Home_PNG$) 
					![[Táp M~óré á~ñd sé~léct~ Ádvá~ñcéd~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-format-sdcard-02.png?$568_N_PNG$) 
				![[Sélé~ct SD~ cárd~ sétt~íñg]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-format-sdcard-03.png?$LazyLoad_Home_PNG$) 
					![[Sélé~ct SD~ cárd~ sétt~íñg]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-format-sdcard-03.png?$568_N_PNG$) 
				![[Táp F~órmá~t]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-format-sdcard-04.png?$LazyLoad_Home_PNG$) 
					![[Táp F~órmá~t]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-format-sdcard-04.png?$568_N_PNG$) 
				![[Déví~cé pr~ótéc~tíóñ~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-turn-on-device-protection-02.png?$LazyLoad_Home_PNG$) 
					![[Déví~cé pr~ótéc~tíóñ~]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-turn-on-device-protection-02.png?$568_N_PNG$) 
				![[Scáñ~ phóñ~é]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-turn-on-device-protection-03.png?$LazyLoad_Home_PNG$) 
					![[Scáñ~ phóñ~é]](http://images.samsung.com/is/image/samsung/assets/uk/support/mobile-devices/how-to-troubleshoot-when-your-device-does-not-detect-an-sd-card/galaxy-how-to-troubleshoot-turn-on-device-protection-03.png?$568_N_PNG$) 
				