Answer(1 of 2): There could be any number of reasons that your J1 Ace is not displaying LTE in the signal indicator. The most common cause is that you are not in a geographic location which provides 4G/LTE coverage from your carrier. Another common culprit is an inproper APN (Access Point Name) ThalaivaLeather Flip Case Back Cover for Samsung Galaxy J1 Ace (Flexible, Shock Proof | Hand Stitched Leather Finish | Cards Pocket Wallet & Stand | Brown) : Amazon.in: Electronics Dengansmartphone Samsung Galaxy J1 Ace ini, kawan Begawei akan merasakan akses internet super kencang via jaringan data 4G LTE. Untuk keperluan download, smartphone ini bisa meraih kecepatan hingga 150 Mbps. Sementara untuk upload, Samsung Galaxy J1 Ace bisa dipacu hingga mencapai kecepatan maksimal 50 Mbps. LI7ej. 📱 Model featuresSamsung Galaxy J1 AceModelOther model namesGalaxy J1 Ace SS Single-Sim LTE SM-J110MCountry or region availableLatin America, New ZealandBrandSamsungRelease date10/1/ millimeters inchesSize width x height x millimeters x inWeight131 grams ouncesBuild, materialsPlastic body, glass frontProtection against water and othersNot supported🤖 Operating SystemSamsung Galaxy J1 AceSystem versionAndroid KitKatFirmware updateAndroid LollipopUser Interfacefeature not registered⚙️ ProcessorSamsung Galaxy J1 AceChipset64bit Spreadtrum SC9830A 28nmCPUQuad-core, 1 processor4x ARM Cortex-A7 Quad-coreGPU graphical controllerARM Mali-400 MP2Performance benchmarkfeature not registered💽 Memory and storageSamsung Galaxy J1 AceRAM memory1GBInternal storage8GB 4GB availableExternal storageUntil 128GB microSD, microSDXCdedicated slot📲 DisplaySamsung Galaxy J1 AceDisplay typeSuper AMOLEDScreen inchesScreen-to-body ratio~ screen-to-body ratioDisplay resolution480x800 pixelsTouchscreenCapacitive MultitouchPixel density dot pitch217 PPIColors16 millionScratch-resistant glassNot supportedRefresh ratefeature not registeredDisplay featuresfeature not registered📶 Mobile networksSamsung Galaxy J1 AceDual-SIMNot supportedSIM card1 slot Single-SIMmicro-SIM 3FFMaximum Download / Upload150/50 MbpsNetwork technology2G, 3G, 4GFrequency, bandsExpand band detailsCollapse detailsGSM MHz bandQuad-Band 850/900/1800/1900Primary 2G networkGSM 850/900/1800/1900Primary 3G networkUMTS 850/900/1700/1900/2100Primary 4G networkLTE Cat4 Bands 1,2,3,4,5,7,17,28Primary 5G networkNot supportedPrimary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTESecondary 2G networkNot supportedSecondary 3G networkNot supportedSecondary 4G networkNot supportedSecondary data networkNot supported📷 CameraSamsung Galaxy J1 AceBack camera main camera5 megapixelsMain camera resolution2592x1944 pixelsVideo recording primaryHD 1280x720 30 fpsFlashLED flashFocal aperturef/ apertureFocal lengthfeature not registeredSensor sizefeature not registeredPixel sizefeature not registeredAutofocusAutofocusTouch focusSupportedImage stabilizationfeature not registeredZoomOnly digital zoomFace/smile detectionFace detection, Smile detectionBSI sensorNot supportedHDRHDR photo only main cameraCamera extrasfeature not registered📸 Front cameraSamsung Galaxy J1 AceFront camera secondary2 megapixelsFront camera resolution1600x1200 pixelsVideo recording secondaryVGA 640x480Front flashNot supportedFocal aperturefeature not registeredFocal lengthfeature not registeredSensor sizefeature not registeredPixel sizefeature not registered🔉 Sound and multimediaSamsung Galaxy J1 AceLoudspeakerSupportedActive noise cancellationNot supportedRadioFM RDSTVNot supportedVideo formatsMP4, MKVAudio formatsMP3, WAV, WMA, eAAC+, FLAC🔌 ConnectivitySamsung Galaxy J1 AceUSBMicroUSB jackTV outputNot + b/g/n Direct, hotspotDLNANot supportedGPSA-GPS, GeoTagging, GLONASSNFCNot supportedInfrared portNot supported🧭 SensorsSamsung Galaxy J1 AceSensorsAccelerometerProximity sensorVibrating alertSupported🔋 BatterySamsung Galaxy J1 AceBattery typeLi-Ion Lithium-Ion RemovableBattery capacity1900 mAhCharger, watts Wired chargingWireless chargingfeature not registeredTalk time autonomy10 hoursStandby500 hours days➕ Other featuresSamsung Galaxy J1 AceCall controlVoice dialing, Voice recorderMessagingSMS T9, MMS, E-mail, Push mailHands-free callingSupportedVideo callingSupportedRingtonesPolyphonic and customizedWeb browserHTML, XHTML, HTML5AntennaInternal antennaQwerty physical keyboardNot supportedMiscellaneous• Colors Black, White, Blue• Samsung TouchWiz UI☢️ Radiation rateSamsung Galaxy J1 AceSAR USA, Mexico, etc. head, bodySAR 2W/kg Europe, UK, etc. head, body